# original source: https://github.com/dariusk/corpora/blob/master/data/materials/gemstones.json actinolite adamite aegerine afghanite agardite agate ajoite alabaster albite alexandrite almandine alunite amazonite amber amethyst ametrine ammolite analcime anatase andalusite andesine andradite anglesite anhydrite ankerite annabergite anthophyllite antigorite antlerite anyolite apache tears apophyllite aquamarine aragonite astrophyllite atacamite augite aurichalcite austinite aventurine axinite azurite barite baryte bauxite bayldonite benitoite beryl beudantite biotite bixbite blue amber boleite bone boracite bornite botallackite botryogen bowenite brazilianite brochantite bronzite brookite brucite bubblegram bytownite cacoxenite calcite caledonite californite carletonite carminite carnallite carnelian cassiterite castorite cavansite celestine celestite cerussite ceylonite chalcedony chalcopyrite chambersite charoite chlorastrolite chloromelanite chondrodite chrysoberyl chrysocolla chrysotile cinnabar citrine clinochlore clinohumite clinozoisite clintonite conichalcite copal coral cordierite corundum creedite crocidolite cummingtonite cuprite cymophane danburite datolite diaboleite diamond diaspore diopside dioptase dolomite dravite druzy dumortierite eilat stone ekanite elaeolite elbaite emerald enstatite epidosite epidote erythrite esperite fayalite feldspar ferroaxinite flint fluorapatite fluorapophyllite fluorite forsterite garnet garnierite gibbsite glaucophane goethite goshenite grandidierite grossular gypsum halite hambergite hanksite hardystonite hauyne helenite heliodor hematite hemimorphite hessonite hibonite hiddenite humite iddingsite idocrase iolite ivory jacinth jade jadeite jarosite jasper jeremejevite jet kainite kidney ore kimberlite kornerupine kunzite kutnohorite kyanite labradorite lammerite langbeinite langite lapis lazuli larimar lawsonite lazurite leadhillite lechatelierite legrandite lepidolite leucophanite linarite londonite magnesioaxinite magnesite malachite manganaxinite manganoan calcite maw sit sit melanterite mendipite metal-coated crystals milky quartz mimetite moissanite mookaite moonstone morganite muscovite musgravite nacre natrophilite nepheline nephrite nimite normandite obsidian olenite olivenite olivine olivinite onyx opal orthoclase pallasite pantellerite papagoite pargasite pearl pectolite peridot peridotite petalite petoskey stone pezzottaite pharmacosiderite phlogopite phosgenite pietersite pimelite plancheite plumbogummite pollucite polyhalite posnjakite poudretteite prasiolite prehnite proustite pumpellyite purpurite pyrite pyromorphite pyrope pyrrhotite quartz raspite rhodizite rhodochrosite riebeckite rosasite rose quartz rossmanite rubellite ruby rutile sapphire sardonyx scapolite scheelite schorlomite scolecite scorodite selenite seraphinite serendibite serpentite shattuckite shigaite siderite smithsonite smoky quartz soapstone sodalite spessartine spessartite sphene spherocobaltite spinel spodumene steatite stichtite stilbite stishovite stolzite strengite sugilite sunstone susannite sylvite synthetic alexandrite synthetic beryl synthetic corundum synthetic cubic zirconia synthetic diamond synthetic moissanite synthetic opal synthetic quartz synthetic spinel synthetic turquoise sérandite taaffeite tactite talc tantalite tanzanite thomsonite thulite tiger's-eye tinaksite tinzenite titanite topaz tourmaline tremolite trinitite tsavorite tschermakite tugtupite turquoise tusionite tyrolite unakite uvarovite vanadinite variscite vauxite vermiculite vesuvianite villiaumite wakefieldite wavellite weloganite wolfenite xenotime yttrium aluminium garnet zektzerite zeolite zincite zinnwaldite zircon zoisite