ROCK, STONE, AND MINERAL NAMES

Updated 2nd April 2017

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ROCK, STONE, AND MINERAL NAMES

The following is a simple, albeit long, list of some rock, mineral, and stone names, and their alternatives.  Most of the names listed here are recognised in the mineralogical sense, but a few names that have acquired common usage will inevitably have crept in.  Where possible, I have included in brackets my best attempts at providing a chemical name or description for each entry.  Many entries in this list are in fact repeats where a particular stone has several names, so this list enables some cross referencing.  For example, the gemstone Aquamarine is listed under:

·         Aquamarine

·         Beryl, Blue

·         Blue Beryl

 

Some minerals are very simple in their make-up but all too often their simplicity belies a complex variety of appearances.  Quartz (Silicon dioxide) and Calcite (Calcium carbonate) are prime examples and these two minerals alone, along with additives, make up a large proportion of minerals in Earth's crust with perhaps over 200 varieties, many of them listed here.  In some cases the chemical description is simplified.  Tiny amounts of other material that may impart colour to another mineral I have sometimes omitted for clarity.  For example, Amethyst gets its colour from tiny amounts of Iron so strictly speaking it should be listed as 'Iron Silicon dioxide'.  It is listed as Silicon dioxide for simplicity.

 

There are approximately 700 entries in this list which details roughly 250 separate minerals.  I once heard that there were something in the order of 5000 separately identified materials if you include native elements as well as all the different rocks and minerals that exist in nature.  If one were to include all the synonyms for a given mineral this page represents but a small fraction of what could be listed.  So, it is safe to say that this list, thought it may be long, is far from complete.  As and when I have time I plan to add to it but in the meantime should you find something to add to the list, or should you spot an error, please feel free to drop me a line to indicate so.
Derek Haselden


A

NAME                       ALSO KNOWN AS (CHEMICAL NAME)

Acanthite                  -  (Silver sulphide)

Achroite                   Elbaite, Clear Tourmaline  (Complex borosilicate)

Actinolite                 -  (Calcium (Magnesium/Iron) hydroxysilicate)

Adamite                    -  (Zinc hydroxyarsenate)

Adularia                   Clear Orthoclase  (Potassium aluminium silicate)

 

Aegerine                   -  (Sodium iron silicate)

Agate                      Banded chalcedony  (Silicon dioxide)

Agate, Blue Lace           -  (Silicon dioxide)

Agate, Carnelian           -  (Silicon dioxide)

Agate, Dendritic           Merlinite, Mocha Stone, Tree Stone  (Silicon dioxide)

 

Agate, Fire                -  (Silicon dioxide)

Agate, Fortification       -  (Silicon dioxide)

Agate, Landscape           -  (Silicon dioxide)

Agate, Mexican             Vaquilla  (Silicon dioxide)

Agate, Moss                Green Moss Agate  (Silicon dioxide)

 

Agate, Tree                Green Tree Agate  (Silicon dioxide)

Akermanite                 -  (Calcium magnesium silicate)

Albite                     Plagioclase Feldspar  (Sodium calcium aluminosilicate)

Alexandrite                Chrysoberyl  (Beryllium aluminium silicate)

Almandine                  Red Garnet  (Iron aluminium silicate)

 

Alunite                    -  (Potassium aluminium hydroxysulphate)

Amazonite                  Amazonstone, Microcline  (Potassium aluminium silicate)

Amazonstone                Amazonite, Microcline  (Potassium aluminium silicate)

Amber                      Succinite, Burmite, Simetite  (Organic plant resin)

Amblygonite                -  ((Lithium/Sodium) aluminium fluorohydroxyphosphate)

 

Amethyst                   Mauve Quartz  (Silicon dioxide)

Amethyst, Chevron          Dogtooth Amethyst  (Silicon dioxide)

Amethyst, Dogtooth         Chevron Amethyst  (Silicon dioxide)

Amethyst, New Cape         Pale Amethyst  (Silicon dioxide)

Amethyst, Pale             New Cape Amethyst  (Silicon dioxide)

 

Analcite                   -  (Hydrated sodium aluminosilicate)

Anatase                    -  (Titanium oxide)

Andalusite                 Chiastolite  (Aluminium silicate)

Andesine                   -  ((Sodium/Calcium) aluminosilicate)

Andradite Garnet, Black    Melanite  (Calcium iron silicate)

 

Andradite Garnet, Green    Green Garnet  (Calcium iron silicate)

Andradite Garnet, Red      Melanite  (Calcium iron silicate)

Andradite Garnet, Yellow   Topazolite  (Calcium iron silicate)

Angel Hair                 Rutile, Sagenite, Venus-Hair stone  (Titanium oxide)

Angelite                   Celestite, Celestine  (Strontium sulphate)

 

Anglesite                  -  (Lead sulphate)

Anhydrite                  -  (Calcium sulphate)

Ankerite                   -  (Calcium (Iron/Magnesium/Manganese) carbonate)

Annabergite                -  (Hydrated nickel arsenate)

Anorthite                  -  (Calcium aluminium silicate)

 

Anorthoclase               -  ((Sodium/Potassium) aluminium silicate)

Anthophyllite              -  ((Magnesium/Iron) hydroxysilicate)

Antigorote                 -  ((Magnesium/Iron) hydroxysilicate)

Apatite                    -  (Calcium phosphate)

Apophyllite                -  (Hydrated potassium calcium fluorohydroxysilicate)

 

Aquamarine                 Blue Beryl  (Beryllium aluminium silicate)

Aragonite                  Flos Feri  (Calcium carbonate)

Arfvedsonite               -  (Sodium (Iron/Magnesium) hydroxysilicate)

Arsenopyrite               -  (Iron arsenic sulphide)

Artinite                   -  (Magnesium hydroxycarbonate)

 

Asbestos                   -  Crocidolite, Chrysotile, Riebeckite  (Sodium (Iron/Magnesium) iron hydroxysilicate)

Asparagus Stone            Yellow/Green Apatite  (Calcium phosphate)

Astrophyllite              -  ((Potassium/Sodium) (Iron/Manganese) titanium hydroxysilicate)

Atacamite                  -  (Copper hydroxychloride)

Augite                     -  ((Calcium/Sodium) (Magnesium/Iron/Aluminium/Titanium) aluminosilicate)

 

Aurichalcite               -  ((Zinc/Copper) hydroxycarbonate)

Autinite                   -  (Hydrated calcium uranium oxide phosphate)

Aventurine Feldspar        Sunstone, Feldspar, Oligoclase, Orange Feldspar  (Sodium calcium aluminosilicate)

Aventurine Quartz          Massive (crystals visible to the naked eye) variety of quartz  (Silicon dioxide)

Aventurine, Blue           -  (Silicon dioxide)

 

Aventurine, Green          -  (Silicon dioxide)

Aventurine, Orange         -  (Silicon dioxide)

Aventurine, Peach          -  (Silicon dioxide)

Aventurine, Red            -  (Silicon dioxide)

Aventurine, White          White Quartz (Silicon dioxide)

 

Aventurine, Yellow         -  (Silicon dioxide)

Axinite                    -  (Calcium (Iron/Manganese) aluminium hydroxyborosilicate)

Azurite                    Chessylite  (Copper hydroxycarbonate)

 

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B

NAME                       ALSO KNOWN AS (CHEMICAL NAME)

Barite                     Baryte  (Barium sulphate)

Baryte                     Barite  (Barium sulphate)

Barytocalcite              -  (Barium calcium carbonate)

Bauxite                    -  (Hydrated Iron hydroxide and Aluminium oxide)

Bayldonite                 -  ((Lead/Copper) hydroxyarsenate)

 

Benitoite                  -  (Barium titanium silicate)

Beryl, Blue                Aquamarine  (Beryllium aluminium silicate)

Beryl, Clear               Goshenite  (Beryllium aluminium silicate)

Beryl, Green               Emerald  (Beryllium aluminium silicate)

Beryl, Green/Red           Alexandrite  (Beryllium aluminium silicate)

 

Beryl, Pink                Morganite  (Beryllium aluminium silicate)

Beryl, Red                 Bixbite  (Beryllium aluminium silicate)

Beryl, Yellow              Heliodor  (Beryllium aluminium silicate)

Beryllonite                -  (Sodium beryllium phosphate)

Biotite                    ((Potassium(Manganese/Iron) (Aluminium/Iron) fluorohydroxysilicate)

 

Black Andradite Garnet     Melanite  (Calcium iron silicate)

Black Diamond              Bort  (Carbon)

Black Obsidian             -  (Silicon dioxide)

Black Quartz               Morion  (Silicon dioxide)

Black Tourmaline           Schorl  (Complex borosilicate)

 

Blende                     Sphalerite  (Zinc sulphide)

Bloodstone                 Green Jasper, Heliotrope  (Silicon dioxide)

Blue Aventurine            -  (Silicon dioxide)

Blue Beryl                 Aquamarine  (Beryllium aluminium silicate)

Blue Chalcedony            -  (Silicon dioxide)

 

Blue Corundum              Sapphire  (Aluminium oxide)

Blue Howlite               Turquerenite  (Hydrated calcium borosilicate)

Blue Lace Agate            -  (Silicon dioxide)

Blue Pectolite             Larimar, Larimer  (Sodium calcium hydroxysilicate)

Blue Spinel                Gahnospinel  (Magnesium aluminium oxide)

 

Blue Tigers Eye            Chatoyant Quartz, Falcon's Eye, Hawks Eye  (Silicon dioxide)

Blue Tourmaline            Indicolite, Indigolite  (Complex borosilicate)

Blue Vesuvianite           Cyprine  (Calcium aluminium silicate)

Blue Zoisite               Tanzanite  (Calcium aluminium hydroxysilicate)

Blue/Violet Diopside       Violane  (Calcium magnesium silicate)

 

Boleite                    -  (Hydrated lead silver copper hydroxychloride)

Bonamite                   Smithsonite  (Zinc carbonate)

Borax                      -  (Hydrated sodium hydroxyborate)

Bornite                    Peacock Ore  (Copper iron sulphide)

Bort                       Black Diamond  (Carbon)

 

Boulangerite               -  (Lead antimony sulphide)

Bournonite                 -  (Lead copper antimony sulphide)

Bowenite                   Jade  (Magnesium hydroxysilicate)

Brazilianite               -  (Aluminium sodium hydroxyphosphate)

Brochantite                -  (Copper hydroxysulphate)

 

Bronzite                   -  (Iron magnesium silicate)

Brookite                   -  (Titanium oxide)

Brown Chalcedony           Sard, Sardstone  (Silicon dioxide)

Brown Quartz               Cairngorm, Smoky Quartz  (Silicon dioxide)

Brown Tourmaline           Buergerite, Dravite  (Complex borosilicate)

 

Brucite                    Nemalite  (Magnesium hydroxide)

Buergerite                 Brown Tourmaline, Dravite  (Complex borosilicate)

Burmite                    Amber, Succinite, Simetite  (Organic plant resin)

Bytownite                  -  ((Sodium/Calcium) aluminosilicate)

 

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C

NAME                       ALSO KNOWN AS (CHEMICAL NAME)

Cairngorm                  Brown Quartz, Smoky Quartz  (Silicon dioxide)

Calcite                    Iceland Spar  (Calcium carbonate)

Californite                Green Vesuvianite  (Calcium aluminium silicate)

Cancrinite                 -  (Carbonated sodium calcium aluminosilicate)

Carnallite                 -  (Potassium magnesium hydroxychloride)

 

Carnelian                  Yellow/Orange/Brown chalcedony  (Silicon dioxide)

Carnelian Agate            -  (Silicon dioxide)

Carnotite                  -  (Hydrated potassium uranium oxide vanadate)

Cassiterite                Tin Stone  (Tin Oxide)

Cat's-Eye Chrysoberyl      Cymophane  (Beryllium aluminium silicate)

 

Cats Eye                   Chatoyant Quartz, Hawks Eye, Tigers Eye  (Silicon dioxide)

Celestine                  Angelite, Celestite  (Strontium sulphate)

Celestite                  Angelite, Celestine  (Strontium sulphate)

Cerussite                  -  (Lead carbonate)

Chabazite                  -  (Hydrated calcium aluminosilicate)

 

Chalcanthite               -  (Hydrated copper sulphate)

Chalcedony                 Microcrystalline quartz  (Silicon dioxide)

Chalcedony, Blue           -  (Silicon dioxide)

Chalcedony, Brown          -  Sard, Sardstone  (Silicon dioxide)

Chalcedony, Dark Green     -  Green Jasper, Bloodstone, Heliotrope, Plasma  (Silicon dioxide)

 

Chalcedony, Light Green    Chrysoprase  (Silicon dioxide)

Chalcedony, Mid Green      Prase  (Silicon dioxide)

Chalcedony, Orange         Carnelian, Cornelian  (Silicon dioxide)

Chalcedony, Red            Red Jasper  (Silicon dioxide)

Chalcopyrite               -  (Copper iron sulphide)

 

Chalcosine                 -  (Copper iron sulphide)

Chamosite                  -  ((Magnesium/Iron) iron aluminohydroxysilicate)

Chatoyant Quartz           Tigers Eye, Cats Eye, Hawks Eye  (Silicon dioxide)

Chert                      Firestone, Flint, Hornstone  (Silicon dioxide)

Chessylite                 Azurite  (Copper hydroxycarbonate)

 

Chevron Amethyst           Dogtooth Amethyst  (Silicon dioxide)

Chiastolite                Andalusite, Cross Stone  (Aluminium silicate)

Chloanthite                -  (Nickel/Cobalt arsenide)

Chlorargyrite              -  (Silver chloride)

Chloritoid                 -  ((Iron/Magnesium/Manganese) hydroxyaluminosilicate)

 

Chromdravite               Green Tourmaline  (Complex borosilicate)

Chromite                   -  (Iron chromium oxide)

Chrondrodite               -  ((Magnesium/Iron) fluorohydroxysilicate)

Chrysoberyl                -  (Beryllium aluminium silicate)

Chrysoberyl, Alexandrite   -  (Beryllium aluminium silicate)

 

Chrysoberyl, Cat's-Eye     Cymophane  (Beryllium aluminium silicate)

Chrysocolla                -  (Hydrated (Copper/Aluminium) hydroxysilicate)

Chrysoprase                Light Green Chalcedony, Prase  (Silicon dioxide)

Chrysotile                 Asbestos  (Magnesium hydroxysilicate)

Cinnabar                   -  (Mercury sulphide)

 

Citrine                    Cairngorm, Yellow Topaz, Yellow Quartz  (Silicon dioxide)

Clear Beryl                Goshenite  (Beryllium aluminium silicate)

Clear Orthoclase           Adularia  (Potassium aluminium silicate)

Clear Quartz               Rock Crystal, Silica  (Silicon dioxide)

Clear Tourmaline           Achroite, Elbaite  (Complex borosilicate)

 

Clinochlore                -  ((Iron/Magnesium) aluminium hydroxysilicate)

Clinoclase                 -  (Copper hydroxyarsenate)

Clinozoisite               -  (Calcium aluminium hydroxysilicate)

Cobaltite                  -  (Cobalt arsenic sulphide)

Colemanite                 -  (Hydrated calcium hydroxyborate)

 

Colourless Corundum        Diamondite  (Aluminium oxide)

Columbite                  -  ((Iron/Manganese) (Niobium/Tantalum) oxide)

Copal                      Immature (young) Amber  (Organic plant resin)

Copiapite                  -  (Hydrated iron hydroxysulphate)

Coral                      -  (Calcium carbonate)

 

Cordierite                 Iolite, Water Sapphire, Dichroite, Vikings Compass  (Magnesium aluminium silicate)

Cornelian                  Orange Chalcedony, Carnelian  (Silicon dioxide)

Corundum                   -  (Aluminium oxide)

Corundum, Blue             Sapphire  (Aluminium oxide)

Corundum, Colourless       Diamondite  (Aluminium oxide)

 

Corundum, Green            Oriental Peridot  (Aluminium oxide)

Corundum, Pink             -  (Aluminium oxide)

Corundum, Pink/Orange      Padparadscha  (Aluminium oxide)

Corundum, Red              Ruby  (Aluminium oxide)

Corundum, Yellow           Oriental Topaz  (Aluminium oxide)

 

Covellite                  -  (Copper sulphide)

Crocidolite                Riebeckite, Asbestos  (Sodium (Iron/Magnesium) iron hydroxysilicate)

Crocoite                   -  (Lead chromate)

Cross-Stone                Staurolite  (Aluminium iron hydroxysilicate)

Cross-Stone                Andalusite, Chiastolite  (Aluminium silicate)

 

Cryolite                   -  (Sodium aluminium fluoride)

Cuprite                    -  (Copper oxide)

Cyanite                    Kyanite, Disthene  (Aluminium silicate)

Cyanotrichite              -  (Hydrated copper aluminium hydroxysulphate)

Cymophane                  Cat's-Eye Chrysoberyl  (Beryllium aluminium silicate)

 

Cyprine                    Blue Vesuvianite  (Calcium aluminium silicate)

 

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D

NAME                       ALSO KNOWN AS (CHEMICAL NAME)

Danburite                  -  (Calcium borosilicate)

Dark Green Chalcedony      Green Jasper, Bloodstone, Heliotrope, Plasma  (Silicon dioxide)

Datolite                   -  (Calcium hydroxyborosilicate)

Dendritic Agate            Mocha Stone, Tree Stone, Merlinite  (Silicon dioxide)

Descloizite                -  (Lead (Zinc/Copper) hydroxyvanadate)

 

Desert Rose                Gypsum, Selenite, Satin Spar  (Hydrated calcium sulphate) 

Diaboleite                 -  (Lead copper hydroxychloride)

Diamond, Black             Bort  (Carbon)

Diamondite                 Colourless Corundum (Aluminium oxide)

Diaspore                   -  (Aluminium hydroxide)

 

Dichroite                  Iolite, Cordierite, Water Sapphire, Vikings Compass  (Magnesium aluminium silicate)

Diopside, Blue/Violet      Violane  (Calcium magnesium silicate)

Diopside, Green            -  (Calcium magnesium silicate)

Dioptase                   -  (Hydrated copper silicate)

Disthene                   Kyanite, Cyanite  (Aluminium silicate)

 

Dogtooth Amethyst          Chevron Amethyst  (Silicon dioxide)

Dolomite                   -  (Calcium magnesium carbonate)

Dravite                    Buergerite, Brown Tourmaline  (Complex borosilicate)

Dumortierite               -  (Aluminium iron borosilicate)

Dumortierite Quartz        Dumortierite  (Silicon dixide plus Aluminium iron borosilicate)

 

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E

NAME                       ALSO KNOWN AS (CHEMICAL NAME)      

Eilate Stone               Chrysocolla/Malachite/Turquoise

Elbaite                    Clear Tourmaline, Achroite, Multicoloured Tourmaline  (Complex borosilicate)

Elaeolite                  Nepheline  ((Sodium/Potassium) aluminosilicate)

Emerald                    Green Beryl  (Beryllium aluminium silicate)

Enargite                   -  (Copper arsenic sulphide)

 

Enstatite                  -  (Magnesium iron silicate)

Epidote                    -  (Calcium (Aluminium/Iron) hydroxysilicate)

Epsomite                   -  (Hydrated magnesium sulphate)

Erythrite                  -  (Hydrated cobalt arsenate)

Euclase                    -  (Beryllium aluminium hydroxysilicate)

 

Eudialyte                  -  (Sodium (Calcium/Cerium) (Iron/Manganese/Yttrium) zirconium chlorohydroxysilicate)

 

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F

NAME                       ALSO KNOWN AS (CHEMICAL NAME)

Falcon's Eye               Hawks Eye, Chatoyant Quartz, Cats Eye, Tigers Eye  (Silicon dioxide)

Fayalite                   Olivine, Peridot, Forsterite  ((Iron/magnesium) silicate)

Feldspar                   -  (Sodium calcium aluminosilicate)

Ferrugineous Quartz        Yellow/Brown/Red Quartz  (Silicon dioxide)

Fibrolite                  Sillimanite  (Aluminium silicate)

 

Fire Agate                 -  (Silicon dioxide)

Fire Opal                  Orange Opal  (Hydrated silica gel)

Firestone                  Chert, Flint  (Silicon dioxide)

Flint                      Firestone, Chert  (Silicon dioxide)

Flos Feri                  Aragonite  (Calcium carbonate)

 

Fluorite                   Fluorspar  (Calcium fluoride)

Fluorspar                  Fluorite  (Calcium fluoride)

Fool's Gold                Pyrite, Iron Pyrite  (Iron sulphide)

Forsterite                 Olivine, Fayalite  ((Iron/magnesium) silicate)

Fortification Agate        -  (Silicon dioxide)

 

Fossilised Wood            Petrified Wood, Silicified Wood, Hornstone  (Silicon dioxide)

Franklinite                -  (Zinc/Manganese/Iron Iron/Manganese oxide)

 

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G

NAME                       ALSO KNOWN AS (CHEMICAL NAME)

Gadolinite                 -  (Yttrium iron beryllium silicate)

Gahnospinel                Blue Spinel  (Magnesium aluminium oxide)

Galena                     -  (Lead sulphide)

Galuberite                 -  (Sodium calcium sulphate)

Garnet, Green              Andradite Garnet (Calcium iron silicate)

 

Garnet, Green              Green Grossular Garnet (Calcium aluminium silicate)

Garnet, Green              Uvarovite  (Calcium chromium silicate)

Garnet, Orange             Spessartine Garnet  (Manganese aluminium silicate)

Garnet, Pink               Pink Grossular Garnet (Calcium aluminium silicate)

Garnet, Red                Almandine Garnet  (Iron aluminium silicate)

 

Garnet, Red                Pyrope  (Magnesium aluminium silicate)

Garnierite                 -  ((Nickel/Magnesium) hydroxysilicate)

Gehlenite                  -  (Calcium aluminosilicate)

Gibbsite                   -  (Aluminium hydroxide)

Glaucodot                  -  (Cobalt/Iron arsenic sulphide)

 

Glauconite                 -  ((Potassium/Sodium) (Iron/Aluminium/Magnesium) aluminohydroxysilicate)

Glaucophane                -  (Sodium (Magnesium/Iron) aluminohydroxysilicate)

Goethite                   -  (Iron hydroxide)

Gold Tigers Eye            Chatoyant Quartz  (Silicon dioxide)

Goshenite                  Clear Beryl  (Beryllium aluminium silicate)

 

Green Andradite Garnet     Green Garnet  (Calcium iron silicate)

Green Aventurine           -  (Silicon dioxide)

Green Beryl                Emerald  (Beryllium aluminium silicate)

Green Corundum             Oriental Peridot  (Aluminium oxide)

Green Diopside             -  (Calcium magnesium silicate)

 

Green Garnet               Andradite Garnet (Calcium iron silicate)

Green Garnet               Green Grossular Garnet (Calcium aluminium silicate)

Green Garnet               Uvarovite  (Calcium chromium silicate)

Green Grossular            Green Grossular Garnet (Calcium aluminium silicate)

Green Jasper               Bloodstone, Heliotrope, Plasma  (Silicon dioxide)

 

Green Microcline           Amazonite, Amazonstone  (Potassium aluminium silicate)

Green Spodumene            Hiddenite  (Lithium aluminium silicate)

Green Tourmaline           Chromdravite  (Complex borosilicate)

Green Vesuvianite          Californite  (Calcium aluminium silicate)

Green Zoisite              -  (Calcium aluminium hydroxysilicate)

 

Green/Red Beryl            Alexandrite  (Beryllium aluminium silicate)

Green/Yellow Tourmaline    Uvite  (Complex borosilicate)

Greenockite                -  (Cadmium sulphide)

Grossular Garnet           Hessonite  (Calcium aluminium silicate)

Grossular, Green           Green Grossular Garnet (Calcium aluminium silicate)

 

Grossular, Pink            Pink Grossular Garnet (Calcium aluminium silicate)

Grunerite                  -  ((Iron/Magnesium) hydroxysilicate)

Gypsum                     Selenite, Satin Spar, Desert Rose  (Hydrated calcium sulphate)

Gyrolite                   -  (Hydrated sodium calcium aluminohydroxysilicate)

 

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H

NAME                       ALSO KNOWN AS (CHEMICAL NAME)

Halite                     Rock Salt, Salt  (Sodium chloride)

Halloysite                 Kaolinite, Nacrite  (Aluminium hydroxysilicate)

Hambergite                 -  (Beryllium hydroxyborate)

Harmotome                  -  (Hydrated (Barium/Potassium) aluminosilicate)

Hauerite                   -  (Manganese disulphide)

 

Hauyne                     -  (Sodium/Calcium aluminosilica sulphate)

Hawks Eye                  Chatoyant Quartz, Cats Eye, Falcon's Eye, Tigers Eye  (Silicon dioxide)

Hedenbergite               -  (Calcium iron silicate)

Heliodor                   Yellow Beryl  (Beryllium aluminium silicate)

Hematite                   Kidney ore  (Iron oxide)

 

Hematite, Specular         -  (Iron oxide)

Hemimorphite               -  (Hydrated zinc hydroxysilicate)

Herderite                  -  (Calcium beryllium fluorohydroxyphosphate)

Hessonite                  Orange/Brown Grossular Garnet  (Calcium aluminium silicate)

Heulandite                 -  (Hydrated (Sodium/Calcium) (Aluminium/Silicon) aluminosilicate)

 

Hiddenite                  Green Spodumene  (Lithium aluminium silicate)

Hornblende                 -  (Calcium (Magnesium/Iron) aluminium fluorohydroxysilicate)

Hornstone                  Fossilised Wood, Petrified Wood, Silicified Wood  (Silicon dioxide)

Housmannite                -  (Manganese oxide)

Howlite, Blue              Turquerenite  (Hydrated calcium borosilicate)

 

Howlite, White             -  (Hydrated calcium borosilicate)

Humite                     -  ((Magnesium/Iron) fluorohydroxysilicate)

Hydrozincite               -  (Zinc hydroxycarbonate)

Hypersthene                -  ((Iron/Magnesium) silicate)

 

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I

NAME                       ALSO KNOWN AS (CHEMICAL NAME)

Iceland Spar               Calcite  (Calcium carbonate)

Idocrase                   Green Vesuvianite  (Calcium aluminium silicate)

Ilmenite                   -  (Iron titanium oxide)

Ilvaite                    -  (Calcium iron hydroxysilicate)

Inca Rose                  Rhodochrosite  (Manganese carbonate)

 

Indicolite                 Indigolite, Blue Tourmaline  (Complex borosilicate)

Indigolite                 Blue Tourmaline, Indicolite  (Complex borosilicate)

Iolite                     Cordierite, Water Sapphire, Dichroite, Vikings Compass  (Magnesium aluminium silicate)

Iron Pyrite                Pyrite, Fool's Gold (Iron sulphide)

Iron Rose                  Hematite  (Iron oxide)

 

Ivory                      -  (Calcium hydroxyphosphate)

 

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J

NAME                       ALSO KNOWN AS (CHEMICAL NAME)

Jade                       Jadeite  (Sodium aluminium silicate)

Jade, Bowenite             Jade  (Magnesium hydroxysilicate)

Jade, Nephrite             Nephrite  (Calcium magnesium iron silicate)

Jade, Serpentine           Serpentine Jade   (Magnesium hydroxysilicate)

Jade, Williamsite          Jade  (Magnesium hydroxysilicate)

 

Jadeite                    Jade  (Sodium (Aluminium/Iron) silicate)

Jamesonite                 -  (Lead iron antimony sulphide)

Jarlite                    -  (Sodium strontium aluminium hydroxyfluoride)

Jarosite                   -  (Potassium iron hydroxysulphate)

Jasper                     Opaque Chalcedony  (Silicon dioxide)

 

Jasper, Green              Bloodstone, Heliotrope, Plasma  (Silicon dioxide)

Jasper, Orbicular          Orbicular Rhyolite, Ocean Jasper

Jasper, Picture            Picture stone, Kalahari picture stone

Jasper, Red                -  (Silicon dioxide)

Jasper, Yellow             -  (Silicon dioxide)

 

Jet                        Lignite  (Carbon)

 

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K

NAME                       ALSO KNOWN AS (CHEMICAL NAME)

Kaolinite                  Halloysite, Nacrite  (Aluminium hydroxysilicate)

Kernite                    -  (Hydrated sodium hydroxyborate)

Kidney ore                 Hematite  (Iron oxide)

Kornerupine                -  (Magnesium aluminium borosilicate)

Kunzite                    Pink Spodumene  (Lithium aluminium silicate)

 

Kyanite                    Cyanite, Disthene  (Aluminium silicate)

 

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L

NAME                       ALSO KNOWN AS (CHEMICAL NAME)

Labradorite                Plagioclase Feldspar  ((Sodium/Calcium) aluminosilicate)

Landscape Agate            -  (Silicon dioxide)

Lapis                      Lapis Lazuli  (rock containing Sodalite, Lazurite, Hauyne, Calcite, Pyrite)

Lapis Lazuli               Lapis  (rock containing Sodalite, Lazurite, Hauyne, Calcite, Pyrite)

Larimar                    Blue Pectolite, Larimer  (Sodium calcium hydroxysilicate)

 

Larimer                    Blue Pectolite, Larimar  (Sodium calcium hydroxysilicate)

Laumontite                 -  (Hydrated calcium aluminosilicate)

Lazulite                   -  ((Magnesium/Iron) aluminium hydroxyphosphate)

Lazurite                   -  ((Sodium/Calcium) chlorosulphate hydroxyaluminosilicate)

Leadhillite                -  (Lead sulphate hydroxycarbonate)

 

Lepidocrocite              -  (Iron hydroxide)

Lepidolite                 -  ((Potassium (Lithium/Aluminium) fluorohydroxysilicate)

Leucite                    -  (Potassium aluminosilicate)

Light Green Chalcedony     Chrysoprase  (Silicon dioxide)

Lignite                    Jet  (Carbon)

 

Limonite                   -  (Iron hydroxide)

Linarite                   -  (Lead copper hydroxysulphate)

 

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M

NAME                       ALSO KNOWN AS (CHEMICAL NAME)

Magnesite                  -  (Magnesium carbonate)

Magnetite                  -  (Iron oxide)

Mahogany Obsidian          Black and Tan  (Silicon dioxide)

Malachite                  -  (Copper hydroxycarbonate)

Manganite                  -  (Manganese hydroxide)

 

Marcasite                  -  (Iron sulphide)

Marialite                  Scapolite, Meionite  (Complex silicate)

Mauve Quartz               Amethyst  (Silicon dioxide)

Meerschaum                 -  (Hydrated magnesium silicate)

Meershaum                  Sepiolite  (Hydrated Magnesium hydroxysilicate)

 

Meionite                   Scapolite, Marialite  (Complex silicate)

Melanite                   Red or Black Andradite Garnet  (Calcium iron silicate)

Merlinite                  Agate, Dendritic, Mocha Stone, Tree Stone  (Silicon dioxide)

Mesolite                   -  (Hydrated sodium calcium aluminosilicate)

Mexican Agate              Vaquilla  (Silicon dioxide)

 

Microcline, Green          Amazonite, Amazonstone  (Potassium aluminium silicate)

Microcrystalline Quartz    Chalcedony  (Silicon dioxide)

Microlote                  -  (Hydroxyfluoridated (Sodium/Calcium) tantalum oxide)

Mid Green Chalcedony       Prase  (Silicon dioxide)

Milky Quartz               Snow Quartz, White Quartz  (Silicon dioxide)

 

Millerite                  -  (Nickel sulphide)

Mimetite                   -  (Lead chlorine arsenate)

Mocha Stone                Agate, Dendritic, Merlinite, Tree Stone  (Silicon dioxide)

Moldavite                  Tektite  (Silicon dioxide)

Molybdenite                -  (Molybdenum disulphide)

 

Monazite                   -  ((Cerium/Lanthanum/Niodium/Thorium) phosphate)

Mookaite                   Australian Jasper, Blood and Custard  (Silicon dioxide)

Moonstone                  Opalescent Orthoclase  (Potassium aluminium silicate)

Morganite                  Pink Beryl  (Beryllium aluminium silicate)

Morion                     Black Quartz  (Silicon dioxide)

 

Moss Agate                 Green Moss Agate  (Silicon dioxide)

Multicoloured Tourmaline   Elbaite  (Complex borosilicate)

Muscovite                  -  (Potassium aluminium fluorohydroxysilicate)

 

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N

NAME                       ALSO KNOWN AS (CHEMICAL NAME)

Nacrite                    Kaolinite, Halloysite  (Aluminium hydroxysilicate)

Natrolite                  -  (Hydrated sodium aluminosilicate)

Nemalite                   Brucite  (Magnesium hydroxide)

Nepheline                  Elaeolite  ((Sodium/Potassium) aluminosilicate)

Nephrite                   Nephrite Jade  (Calcium magnesium iron silicate)

 

Nephrite Jade              Nephrite  (Calcium magnesium iron silicate)

Neptunite                  -  (Potassium sodium lithium (Iron/Manganese) titanium silicate)

New Cape Amethyst          Pale Amethyst  (Silicon dioxide)

Nickeline                  -  (Nickel arsenide)

Nitratine                  -  (Sodium nitrate)

 

Nosean                     -  (Sulphated sodium aluminosilicate)

 

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O

NAME                       ALSO KNOWN AS (CHEMICAL NAME)

Obsidian                   -  (Silicon dioxide)

Obsidian, Black            -  (Silicon dioxide)

Obsidian, Mahogany         Black and Tan  (Silicon dioxide)

Obsidian, Snowflake        -  (Silicon dioxide)

Oligoclase                 Sunstone, Orange Feldspar, Aventurine Feldspar  ((Sodium/Calcium) aluminosilicate)

 

Olivine                    Peridot, Forsterite, Fayalite  ((Iron/magnesium) silicate)

Olivinite                  -  (Copper hydroxyarsenate)

Onyx                       Parallel banded chalcedony  (Silicon dioxide)

Opal                       -  (Hydrated silicon dioxide)

Opal, Orange               Fire Opal  (Hydrated silicon dioxide)

 

Opal, Precious             -  (Hydrated silicon dioxide)

Opal, Wood                 Opalised Wood  (Hydrated silicon dioxide)

Opalescent, Orthoclase     Moonstone  (Potassium aluminium silicate)

Opalised Wood              Wood Opal  (Hydrated silicon dioxide)

Orange Aventurine          -  (Silicon dioxide)

 

Orange Chalcedony          Carnelian, Cornelian  (Silicon dioxide)

Orange Feldspar            Sunstone, Feldspar, Oligoclase, Aventurine Feldspar  (Sodium calcium aluminosilicate)

Orange Garnet              Spessartine Garnet  (Manganese aluminium silicate)

Orange Opal                Fire Opal  (Hydrated silicon dioxide)

Orbicular Jasper           Orbicular Rhyolite, Ocean Jasper

 

Oriental Peridot           Green Corundum  (Aluminium oxide)

Oriental Topaz             Yellow Corundum  (Aluminium oxide)

Orpiment                   -  (Arsenic Sulphide)

Orthoclase, Clear          Adularia  (Potassium aluminium silicate)

Orthoclase, Opalescent     Moonstone  (Potassium aluminium silicate)

 

Orthoclase, Yellow         -  (Potassium aluminium silicate)

 

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P

NAME                       ALSO KNOWN AS (CHEMICAL NAME)

Padparadscha               Pink/Orange Corundum  (Aluminium oxide)

Pale Amethyst              New Cape Amethyst  (Silicon dioxide)

Peach Aventurine           -  (Silicon dioxide)

Peacock Ore                Bornite  (Copper iron sulphide)

Pearl                      -  (Calcium carbonate)

 

Pectolite                  -  (Sodium calcium hydroxysilicate)

Pectolite, Blue            Larimar, Larimer  (Sodium calcium hydroxysilicate)

Pentlandite                -  (Iron/Nickel sulphide)

Peridot                    Gem-quality Olivine  (Magnesium iron silicate)

Perovskite                 -  (Calcium titanium oxide)

 

Petalite                   -  (Lithium aluminium silicate)

Petrified Wood             Fossilised Wood, Silicified Wood, Hornstone  (Silicon dioxide)

Phenakite                  -  (Beryllium silicate)

Phillipsite                -  (Hydrated (Potassium/Sodium/Calcium) aluminosilicate)

Phlogopite                 -  (Potassium magnesium aluminium fluorohydroxysilicate)

 

Phosphophyllite            -  (Hydrated zinc phosphate)

Pictotite                  Spinel, Pleonaste  (Magnesium aluminium oxide)

Picture Jasper             Picture stone, Kalahari picture stone

Pink Beryl                 Morganite  (Beryllium aluminium silicate)

Pink Corundum              -  (Aluminium oxide)

 

Pink Garnet                Pink Grossular Garnet (Calcium aluminium silicate)

Pink Grossular             Pink Grossular Garnet (Calcium aluminium silicate)

Pink Quartz                Rose Quartz  (Silicon dioxide)

Pink Spodumene             Kunzite  (Lithium aluminium silicate)

Pink/Orange Corundum       Padparadscha  (Aluminium oxide)

 

Pink/Red Tourmaline        Rubellite  (Complex borosilicate)

Pink/Red Zoisite           Thulite  (Calcium aluminium hydroxysilicate)

Plagioclase Feldspar       -  (Sodium calcium aluminosilicate)

Pleonaste                  Spinel, Pictotite  (Magnesium aluminium oxide)

Polybasite                 -  (Silver antimony sulphide)

 

Polyhalite                 -  (Hydrated potassium magnesium calcium sulphate)

Prase                      Chrysoprase, Mid Green Chalcedony  (Silicon dioxide)

Precious Opal              -  (Hydrated silicon dioxide)

Prehnite                   -  (Calcium aluminium hydroxysilicate)

Proustite                  -  (Silver arsenic sulphide)

 

Pyrargyrite                -  (Silver antimony sulphide)

Pyrite                     Fool's Gold, Iron Pyrite  (Iron sulphide)

Pyrochlore                 -  (Hydroxyfluoridated (Sodium/Calcium/Uranium) (Niobium/Tantalum/Titanium) oxide)

Pyrolusite                 -  (Manganese oxide)

Pyromorphite               -  (Lead chlorine phosphate)

 

Pyrope                     Garnet  (Magnesium aluminium silicate)

Pyrophyllite               -  (Aluminium hydroxysilicate)

Pyrrhotite                 -  (Iron sulphide)

 

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Q

NAME                       ALSO KNOWN AS (CHEMICAL NAME)

Quartz                     Silica  (Silicon dioxide)

Quartz, Amethyst           Mauve quartz  (Silicon dioxide)

Quartz, Aventurine         Massive Quartz  (Silicon dioxide)

Quartz, Brown              Cairngorm, Smoky Quartz  (Silicon dioxide)

Quartz, Chatoyant          Tigers Eye  (Silicon dioxide)

 

Quartz, Citrine            Cairngorm, Yellow Topaz  (Silicon dioxide)

Quartz, Clear              Rock Crystal, Silica  (Silicon dioxide)

Quartz, Dumortierite       Dumortierite  (Silicon dixide plus Aluminium iron borosilicate)

Quartz, Ferrugineous       Yellow/Brown/Red quartz  (Silicon dioxide)

Quartz, Mauve              Amethyst  (Silicon dioxide)

 

Quartz, Microcrystalline   Chalcedony  (Silicon dioxide)

Quartz, Milky              Snow Quartz, White Quartz  (Silicon dioxide)

Quartz, Morion             Black Quartz  (Silicon dioxide)

Quartz, Pink               Rose Quartz  (Silicon dioxide)

Quartz, Rose               Pink Quartz  (Silicon dioxide)

 

Quartz, Rutillated         Sagenite, Angel Hair  (Silicon dioxide)

Quartz, Smoky              Brown Quartz, Cairngorm  (Silicon dioxide)

Quartz, Snow               Milky Quartz, Snow Quartz  (Silicon dioxide)

Quartz, Tourmalinated      -  (Silicon dioxide)

Quartz, White              Milky Quartz, Snow Quartz  (Silicon dioxide)

 

Quartz, Yellow             Citrine  (Silicon dioxide)

 

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R

NAME                        ALSO KNOWN AS (CHEMICAL NAME)

Realgar                     -  (Arsenic sulphide)

Red Andradite Garnet        Melanite  (Calcium iron silicate)

Red Aventurine              -  (Silicon dioxide)

Red Beryl                   Bixbite  (Beryllium aluminium silicate)

Red Chalcedony              Red Jasper  (Silicon dioxide)

 

Red Corundum                Ruby  (Aluminium oxide)

Red Garnet                  Almandine Garnet  (Iron aluminium silicate)

Red Garnet                  Pyrope  (Magnesium aluminium silicate)

Red Jasper                  -  (Silicon dioxide)

Red Spinel                  Ruby  (Magnesium aluminium oxide)

 

Red Tigers Eye              Chatoyant Quartz  (Silicon dioxide)

Red/Violet/Blue Tourmaline  Siberite  (Complex borosilicate)

Reindeer Stone              Tugtupite  (Sodium aluminium beryllium silicate)

Rhodochrosite               Inca Rose  (Manganese carbonate)

Rhodolite                   -  ((Manganese/Iron/Magnesium/Calcium) silicate)

 

Rhodonite                   -  (Manganese silicate)

Richterite                  -  (Sodium calcium (Magnesium/Iron) hydroxysilicate)

Riebeckite                  Asbestos, Crocidolite  (Sodium (Iron/Magnesium) iron hydroxysilicate)

Rock Crystal                Clear Quartz, Silica  (Silicon dioxide)

Rock Salt                   Halite, Salt  (Sodium chloride)

 

Romanechite                 -  ((Barium hydroxide)) manganese oxide)

Rose Quartz                 Pink Quartz  (Silicon dioxide)

Rubellite                   Pink/Red Tourmaline  (Complex borosilicate)

Rubicelle                   Yellow/Red Spinel  (Magnesium aluminium oxide)

Ruby                        Red Corundum  (Aluminium oxide)

 

Ruby                        Red Spinel  (Magnesium aluminium oxide)

Rutile                      Angel Hair, Sagenite  (Titanium oxide)

Rutillated Quartz           Sagenite, Angel Hair  (Silicon dioxide)

 

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S

NAME                       ALSO KNOWN AS (CHEMICAL NAME)

Sagenite                   Rutile, Angel Hair  (Titanium oxide)

Salt                       Halite, Rock Salt  (Sodium chloride)

Samarskite                 -  ((Yttrium/Cerium/Uranium/Iron) (Niobium/Tantalum/Titanium) oxide)

Sanidine                   -  (Potassium aluminium silicate)

Sapphire                   Blue Corundum  (Aluminium oxide)

 

Sard                       Sardstone  (Silicon dioxide)

Sardonyx                   White and Red/Brown banded Sard  (Silicon dioxide)

Satin Spar                 Gypsum, Selenite, Desert Rose  (Hydrated calcium sulphate)

Saualpite                  Zoisite  (Calcium aluminium hydroxysilicate)

Scapolite                  Meionite, Marialite  (Complex silicate)

 

Scheelite                  -  (Calcium tungstate)

Schorl                     Black Tourmaline  (Complex borosilicate)

Scolecite                  -  (Hydrated calcium aluminosilicate)

Scorodite                  -  (Hydrated iron arsenate)

Selenite                   Gypsum, Satin Spar, Desert Rose  (Hydrated calcium sulphate)

 

Sepiolite                  Meershaum  (Hydrated Magnesium hydroxysilicate)

Serpentine Jade            Jade  (Magnesium hydroxysilicate)

Shell                      -  (Calcium carbonate)

Siberite                   Red/Violet Blue Tourmaline  (Complex borosilicate)

Siderite                   -  (Iron carbonate)

 

Silica                     Quartz  (Silicon dioxide)

Silicified Wood            Hornstone, Fossilised Wood, Petrified Wood  (Silicon dioxide)

Sillimanite                Fibrolite  (Aluminium silicate)

Simetite                   Amber, Succinite, Burmite  (Organic plant resin)

Sinhalite                  -  (Magnesium aluminium iron borate)

 

Skutterudite               -  (Cobalt arsenide)

Smaltite                   -  (Cobalt/Nickel arsenide)

Smithsonite                Bonamite  (Zinc carbonate)

Smoky Quartz               Brown Quartz, Cairngorm  (Silicon dioxide)

Snow Quartz                Milky Quartz  (Silicon dioxide)

 

Snowflake Obsidian         -  (Silicon dioxide)

Sodalite                   -  (Sodium aluminium silicate)

Spectrolite                Plagioclase Feldspar  (Sodium calcium aluminosilicate)

Specular Hematite          Hematite  (Iron oxide)

Spessartine                Orange Garnet  (Manganese aluminium silicate)

 

Sphalerite                 Blende  (Zinc sulphide)

Sphene                     Titanite  (Calcium titanium silicate)

Spinel                     Pictotite, Pleonaste  (Magnesium aluminium oxide)

Spinel, Blue               Gahnospinel  (Magnesium aluminium oxide)

Spinel, Red                Ruby  (Magnesium aluminium oxide)

 

Spinel, Yellow/Red         Rubicelle  (Magnesium aluminium oxide)

Spodumene, Green           Hiddenite  (Lithium aluminium silicate)

Spodumene, Pink            Kunzite  (Lithium aluminium silicate)

Staurolite                 Cross-Stone  ((Iron/Magnesium/Zinc) hydroxyaluminosilicate)

Stephanite                 -  (Silver antimony sulphide)

 

Stibconite                 -  (Antimony hydroxide)

Stibnite                   -  (Antimony sulphide)

Stilbite                   -  (Hydrated sodium calcium aluminosilicate)

Strontianite               -  (Strontium carbonate)

Succinite                  Amber, Burmite, Simetite  (Organic plant resin)

 

Sunstone                   Oligoclase, Orange Feldspar, Aventurine Feldspar  (Sodium calcium aluminosilicate)

Sylvanite                  -  (Gold silver telluride)

Sylvite                    -  (Potassium chloride)

 

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T

NAME                         ALSO KNOWN AS (CHEMICAL NAME)

Taafeite                     -  (Beryllium magnesium aluminium oxide)

Talc                         -  (Magnesium hydroxysilicate)

Tanzanite                    Blue Zoisite  (Calcium aluminium hydroxysilicate)

Tektite                      Moldavite  (Silicon dioxide)

Tennantite                   -  (Copper/Iron arsenic sulphide)

 

Tetrahedrite                 -  (Copper antimony sulphide)

Thenardite                   -  (Sodium sulphate)

Thomsonite                   -  (Hydrated sodium calcium aluminosilicate)

Thulite                      Pink/Red Zoisite  (Calcium aluminium hydroxysilicate)

Tigers Eye, Blue             Chatoyant Quartz, Hawks Eye, Falcon's Eye  (Silicon dioxide)

 

Tigers Eye, Gold             Chatoyant Quartz  (Silicon dioxide)

Tigers Eye, Red              Chatoyant Quartz  (Silicon dioxide)

Tin Stone                    Cassiterite  (Tin Oxide)

Titanite                     Sphene  (Calcium titanium silicate)

Topaz                        -  (Aluminium fluorohydroxysilicate)

 

Topazolite                   Yellow Andradite Garnet (Calcium iron silicate)

Torbernite                   -  (Hydrated copper uranium oxide phosphate)

Tourmalinated Quartz         -  (Silicon dioxide)

Tourmaline, Black            Schorl  (Complex borosilicate)

Tourmaline, Blue             Indicolite, Indigolite  (Complex borosilicate)

 

Tourmaline, Brown            Buergerite, Dravite  (Complex borosilicate)

Tourmaline, Clear            Achroite, Elbaite  (Complex borosilicate)

Tourmaline, Green            Chromdravite  (Complex borosilicate)

Tourmaline, Green/Yellow     Uvite  (Complex borosilicate)

Tourmaline, Multicoloured    Elbaite  (Complex borosilicate)

 

Tourmaline, Pink/Red         Rubellite  (Complex borosilicate)

Tourmaline, Red/Violet Blue  Siberite  (Complex borosilicate)

Tourmaline, Watermelon       Pink/Green Tourmaline  (Complex borosilicate)

Tree Agate                   Green Tree Agate  (Silicon dioxide)

Tree Stone                   Agate, Dendritic, Merlinite, Mocha Stone  (Silicon dioxide)

 

Tremolite                    -  (Calcium (Magnesium/Iron) hydroxysilicate)

Trona                        -  (Hydrated Sodium hydroxycarbonate)

Tugtupite                    -  Reindeer Stone  (Sodium aluminium beryllium silicate)

Tungstite                    -  (Hydrated tungsten oxide)

Turquerenite                 Blue Howlite  (Hydrated calcium borosilicate)

 

Turquoise                    -  (Hydrated copper aluminium hydroxyphosphate)

Tyuyamunite                  -  (Hydrated calcium uranium oxide vanadate)

 

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U

NAME                       ALSO KNOWN AS (CHEMICAL NAME)

Ulexite                    -  (Hydrated calcium sodium hydroxyborate)

Uraninite                  -  (Uranium oxide)

Uvarovite                  Green Garnet  (Calcium chromium silicate)

Uvite                      Green/Yellow Tourmaline  (Complex borosilicate)

 

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V

NAME                       ALSO KNOWN AS (CHEMICAL NAME)

Vanadinite                 -  (Lead chlorine vanadate)

Vaquilla                   Mexican Agate  (Silicon dioxide)

Variscite                  -  (Hydrated aluminium phosphate)

Venus-Hair stone           Angel Hair, Rutile, Sagenite  (Titanium oxide)

Vermiculite                -  (Hydrated (Magnesium/Iron/Aluminium) hydroxysilicate)

 

Vesuvianite                Idocrase  (Calcium aluminium silicate)

Vesuvianite, Blue          Cyprine  (Calcium aluminium silicate)

Vesuvianite, Green         Californite  (Calcium aluminium silicate)

Vikings Compass            Iolite, Cordierite, Water Sapphire, Dichroite  (Magnesium aluminium silicate)

Violane                    Blue/Violet Diopside  (Calcium magnesium silicate)

 

Vivianite                  -  (Hydrated iron phosphate)

Volborthite                -  (Hydrated copper hydroxyvanadate)

 

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W

NAME                       ALSO KNOWN AS (CHEMICAL NAME)

Wad                        -  (Mixture of metal oxides and hydroxides)

Water Sapphire             Iolite, Cordierite, Dichroite, Vikings Compass  (Magnesium aluminium silicate)

Watermelon Tourmaline      Pink/Green Tourmaline  (Complex borosilicate)

Wavellite                  -  (Hydrated aluminium hydroxyfluorophosphate)

White Aventurine           White Quartz  (Silicon dioxide)

 

White Howlite              -  (Hydrated calcium borosilicate)

White Quartz               Milky Quartz, Snow Quartz  (Silicon dioxide)

Willemite                  -  (Zinc silicate)

Williamsite                Jade  (Magnesium hydroxysilicate)

Witherite                  -  (Barium carbonate)

 

Wolframite                 -  ((Iron/Manganese) tungstate)

Wollastonite               -  (Calcium silicate)

Wood Opal                  Opalised Wood  (Hydrated silicon dioxide)

Wulfenite                  -  (Lead molybdate)

 

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X

NAME                       ALSO KNOWN AS (CHEMICAL NAME)

Xenotime                   -  (Yttrium phosphate)

 

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Y

NAME                       ALSO KNOWN AS (CHEMICAL NAME)

Yellow Andradite Garnet    Topazolite  (Calcium iron silicate)

Yellow Aventurine          -  (Silicon dioxide)

Yellow Beryl               Heliodor  (Beryllium aluminium silicate)

Yellow Corundum            Oriental Topaz  (Aluminium oxide)

Yellow Jasper              -  (Silicon dioxide)

 

Yellow Orthoclase          -  (Potassium aluminium silicate)

Yellow Quartz              Citrine  (Silicon dioxide)

Yellow Zoisite             -  (Calcium aluminium hydroxysilicate)

Yellow/Red Spinel          Rubicelle  (Magnesium aluminium oxide)

 

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Z

NAME                       ALSO KNOWN AS (CHEMICAL NAME)

Zincite                    -  (Zinc oxide)

Zircon                     Zirconia  (Zirconium silicate)

Zirconia                   Zircon  (Zirconium silicate)

Zoisite                    Saualpite  (Calcium aluminium hydroxysilicate)

Zoisite, Blue              Tanzanite  (Calcium aluminium hydroxysilicate)

 

Zoisite, Green             -  (Calcium aluminium hydroxysilicate)                   

Zoisite, Pink/Red          Thulite  (Calcium aluminium hydroxysilicate)

Zoisite, Yellow            -  (Calcium aluminium hydroxysilicate)

 

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