List of minerals

crystals – a purple quartz crystals sitting right beside a cluster of peachy bowtie stilbite variety of beryl with tourmaline on orthoclase from Hidalgo del Parral, Chihuahua, Mexico needles spraying out within a protected pocket lined by bladed calcite crystals from the Ojuela Mine, Mapimí, Durango, Mexico containing amethyst and citrine, from Bolivia , Burra Mine, South Australia :Varieties that are not valid species: • Adamantine spar (variety of corundum) • Agate (variety of chalcedony and quartz) • Alabaster (variety of gypsum) • Alexandrite (variety of chrysoberyl) • Allingite (synonym of amber) • Alum • Amazonite (variety of microcline) • Amethyst (purple variety of quartz) • Ametrine (variety of quartz) • Ammolite (organic; also a gemstone) • Amosite (asbestiform grunerite) • Antozonite (variety of fluorite) • Anyolite (metamorphic rock - zoisite, ruby, and hornblende) • Aquamarine (light blue variety of beryl) • Argentite (high temperature form of acanthite) • Asbestos (fibrous serpentine- or amphibole minerals) • Auerlite (variety of thorite) • Avalite (chromian variety of illite) • Aventurine (variety of quartz) ==B==

(included by malachite) on malachite, from Shangulowé Mine, Kambove, Central area, Katanga, Democratic Republic of Congo on a layer of teal-colored fluorite cluster from Kharan, Balochistan, Pakistan :Varieties that are not valid species: • Barbertonite (polytype of stichtite) • Bauxite (aluminium ore) • Beckerite (natural resin) • Bentonite (mixture of montmorillonite and other clays) • Bixbite (red gem variety of beryl) • Bowenite (variety of antigorite) • Brammallite (variety of illite) • Brokenhillite (not approved by IMA) • Buergerite (renamed to fluor-buergerite) • Bursaite (not approved by IMA) • Bytownite (variety of anorthite) ==C==

crystals on matrix, from Iraí, Rio Grande do Sul, Brazil that appear almost as books of petals, piled up 3-dimensionally on the matrix, from Eastern Europe from Majunga, Madagascar stalactites from Ray Mine, Scott Mountain area, Mineral Creek District, Arizona, USA on dolomite , Sudbury District, Ontario, Canada :Varieties that are not valid species: • Campylite (variety of mimetite) • Carbonado (variety of diamond) • Carnelian (variety of quartz) • Cementite (synthetic cohenite) • Ceylonite (variety of spinel) • Chalcedony (cryptocrystalline variety of quartz and moganite) • Chiastolite (variety of andalusite) • Chlorastrolite (variety of pumpellyite-(Mg)) • Chrysoprase (green nickel bearing chalcedony) • Chrysotile (group name - asbestiform serpentine) • Citrine (yellow variety of quartz) • Cleveite (variety of uraninite) • Clinochrysotile (polytype of chrysotile) • Coltan (short for minerals of the columbite group) • Cotterite (variety of quartz) • Crocidolite (asbestiform riebeckite) • Cymophane (variety of chrysoberyl) ==D==

crystal in matrix is typical of the mineral from Tsumeb, Namibia :Varieties that are not valid species: • Delessite (magnesian chamosite) • Diallage (a junction between augite and diopside) ==E==

on quartz, from Carnaiba Mine, Pindobaçu, Campo Formoso ultramafic complex, Bahia, Brazil , Russia :Varieties that are not valid species: • Elsmoreite (pure hydrokenoelsmoreite) • Emerald (green gem variety of beryl) ==F==

crystal and stilbite, from Jalgaon District, Maharashtra, India crystal showing cubic and octahedral faces, set upon a micaceous matrix :Varieties that are not valid species: • Fassaite (variety of augite) • Ferrocolumbite (synonym of columbite-(Fe)) • Ferrotantalite (synonym of tantalite-(Fe)) • Fluorspar (synonym of fluorite) • Francolite (variety of fluorapatite) ==G==

vein stockwork in limonite, from Gold Flake Vein, Farncomb Hill, Breckenridge Mining District, Summit County, Colorado, USA :Varieties that are not valid species: • Garnierite (a nickel ore) • Goshenite (colorless variety of beryl) ==H==

hematite crystals and Celadonite, Aurangabad District, Maharashtra, India and quartz :Varieties that are not valid species: • Hatchettite (a paraffin wax) • Heliodor (greenish-yellow variety of beryl) • Heliotrope (variety of chalcedony) • Hessonite (variety of grossular) • Hiddenite (variety of spodumene) • Hyalite (variety of opal) • Hyalophane (synonym of jaloallofane) • Hypersthene (synonym of enstatite or ferrosilite, or mid-way member of the enstatite–ferrosilite series) (not approved by IMA) ==I==

from Monte Azul deposit, Sijes, Salta, Argentina :Varieties that are not valid species: • Idocrase (synonym of vesuvianite) • Iolite (a gem-quality variety of cordierite) ==J==

(brown) and neptunite (dark red) on natrolite (white), from Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA :Varieties that are not valid species: • Jade (tough, green mineral either jadeite or nephrite amphibole) • Jasper (variety of quartz) • Jeffersonite (variety of augite) ==K==

from the Amphibolite quarry, Haslach, Black Forest, Baden-Württemberg, Germany from Cuquicamata Mine, Chuquicamata District, Calama, El Loa Province, Antofagasta Region, Chile :Varieties that are not valid species: • Keilhauite (variety of titanite) • Kerolite (variety of talc) • Krantzite (natural resin) • Kunzite (variety of spodumene) ==L==

from Alsace, France on limonite on quartz and feldspar :Varieties that are not valid species: • Lapis lazuli is a metamorphic rock, used as a semi-precious stone • Larimar (blue variety of pectolite) • Lodestone (a synonym of magnetite) • Lublinite (variety of calcite) ==M==

from Speen Ghar, Nangarhar Province, Afghanistan from Ilfeld, Thuringia, Germany at the Carnegie Museum of Natural History, Pittsburgh, Pennsylvania, USA on limonite matrix :Varieties that are not valid species: • Magnesia • Magnesiocummingtonite (magnesium-rich variety of cummingtonite) • Malacolite (synonym of diopside) • Manganocolumbite (synonym of columbite-(Mn)) • Manganotantalite (synonym of tantalite-(Mn)) • Mariposite (variety of phengite/muscovite) • Meerschaum (variety of sepiolite) • Melanite (variety of andradite) • Menilite (variety of opal) • Milky quartz (a cloudy white quartz) • Morganite (a pink beryl) ==N==

on deep pink inesite from California, USA :Varieties that are not valid species: • Nephrite (variety of tremolite/actinolite) • Niobite (synonym of columbite) • Niobite-tantalite (synonym of columbite-tantalite) ==O==

, Carisbrooke Station near Winton, Queensland, Australia :Varieties that are not valid species: • Oligoclase (a mixture of albite and anorthite) • Onyx (a monochromatic banded variety of chalcedony) • Opal (a mineraloid. Colored variety used as a gemstone) • Opalite • Orthochrysotile (a polytype of chrysotile) ==P==

nugget from the Kondyor mine, Khabarovsk Krai, Russia. from Paterson, Passaic County, New Jersey, USA from Cerro de Potosí, Potosí Department, Bolivia from Chanarcillo, Copiapo Province, Chile :Varieties that are not valid species: • Parachrysotile (a polytype of chrysotile) • Pelagosite (variety of aragonite) • Pericline (variety of albite) • Peridot (gem-quality olivine) • Perlite (volcanic glass) • Phengite (variety of muscovite) • Pimelite • Pitchblende (a massive impure form of uraninite) • Plessite (mixture of kamacite and taenite) • Potassium alum or potash alum (as a mineral, is called alum-(K)) ==Q==

in matrix :Varieties that are not valid species: • Rashleighite (variety of turquoise) • Rhodolite (variety of pyrope) • Rock crystal (quartz) • Rose quartz (pink variety of quartz) • Ruby (red gem corundum) ==S==

, Morocco variety): Santa Eulalia District, Chihuahua, Mexico clusters from Poudrette quarry, Mont Saint-Hilaire, Montérégie, Québec, Canada , from Otjikotu, Kaokoveld, Kunene, Namibia crystals flanked by splaying GEM quartzes and golden chalcopyrite at its upper edge, from Yaogangxian Mine, Yizhang County, Chenzhou Prefecture, Hunan Province, China :Varieties that are not valid species: • Sapphire (gem corundum of any color except red, especially blue varieties) • Sard (a variety of chalcedony/quartz) • Satinspar (a variety of gypsum) • Selenite (a variety of gypsum) • Simetite (a variety of amber) • Smoky quartz (a brown or black variety of quartz) • Soda niter (synonym of nitratine) • Spectrolite (a variety of labradorite) • Spessartite (synonym of spessartine) • Sphene (synonym of titanite) • Stantienite (a variety of amber) • Sunstone (a variety of either oligoclase or orthoclase) ==T==

with adularia and minor clinochlore on matrix crystal, which itself sits atop a green tourmaline of a lighter color. All sit on a bed of sparkly, bladed stark white albite from the Copper Cities Mine, near Miami, Arizona, USA :Varieties that are not valid species: • Tanzanite (variety of zoisite) • Thulite (variety of zoisite) • Thuringite (variety of chamosite) • Tsavorite (gem variety of grossularite garnet) • Tiger's eye (chatoyant variety of quartz) ==U==

, Musonoi Mine, Kolwezi, Katanga (Shaba), Democratic Republic of Congo. FOV: 6 mm ==V==