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elements, isotopes
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        Tarbert Formation (2)
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        lower Oxfordian (1)
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    - Upper Triassic
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        Ischigualasto Formation (1)
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      - Xujiahe Formation (2)
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  - upper Mesozoic (2)
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- Paleozoic
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  - Cambrian
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  - Carboniferous
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    - Lower Carboniferous
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        Fort Payne Formation (4)
        
        Kinderhookian
        
        Banff Formation (1)
        
        Lake Valley Formation (6)
        
        Lodgepole Formation (3)
        
        Osagian
        
        Burlington Limestone (7)
        
        Keokuk Limestone (2)
        
        Tournaisian
        
        upper Tournaisian (1)
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        Visean
        
        upper Visean (2)
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        Bangor Limestone (1)
        
        Chesterian
        
        Imo Formation (2)
        
        Fayetteville Formation (2)
        
        Hartselle Sandstone (1)
        
        Hinton Formation (1)
        
        Mauch Chunk Formation (1)
        
        Meramecian
        
        Saint Louis Limestone (1)
        
        Sainte Genevieve Limestone (2)
        
        Salem Limestone (3)
        
        Warsaw Formation (2)
        
        Pennington Formation (1)
        
        Serpukhovian (1)
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      - Lower Pennsylvanian
        
        Bashkirian (1)
        
        Morrowan
        
        Bloyd Formation (1)
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        Allegheny Group (1)
        
        Atokan (1)
        
        Breathitt Formation (1)
        
        Carbondale Formation (3)
        
        Desmoinesian
        
        Boggy Shale (1)
        
        Cherokee Group (1)
        
        Moscovian (1)
        
        Paradox Formation (3)
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        Gzhelian (1)
        
        Holder Formation (8)
        
        Kasimovian (1)
        
        Missourian
        
        Kansas City Group (2)
        
        Lansing Group (1)
        
        Plattsburg Limestone (3)
        
        Stanton Formation (1)
        
        Wyandotte Limestone (1)
        
        Virgilian
        
        Douglas Group (1)
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    - Upper Carboniferous
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    - Lost Burro Formation (2)
    - Lower Devonian
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    - Upper Devonian
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        Wabamun Group (3)
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        Leduc Formation (4)
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      - Nisku Formation (8)
      - Palliser Formation (1)
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  - lower Paleozoic
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  - Oquirrh Formation (1)
  - Ordovician
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      - Fillmore Formation (1)
      - Kingsport Formation (1)
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      - Decorah Shale (1)
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      - Winnipeg Formation (1)
    - Montoya Group (2)
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    - Trenton Group (9)
    - Upper Ordovician
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      - Caradocian
        
        Borrowdale Volcanic Group (2)
      - Fernvale Formation (1)
      - Juniata Formation (1)
      - Maquoketa Formation (1)
      - Red River Formation (7)
      - Reedsville Formation (1)
      - Trentonian (8)
      - Wufeng Formation (3)
      - Yeoman Formation (1)
    - Utica Shale (4)
    - Viola Limestone (1)
  - Permian
    - Blaine Formation (1)
    - Castile Formation (4)
    - Gharif Formation (1)
    - Guadalupian
      - Bell Canyon Formation (1)
      - Capitan Formation (3)
      - Capitanian (3)
      - Delaware Mountain Group (1)
      - Grayburg Formation (2)
      - Seven Rivers Formation (2)
      - Tansill Formation (4)
      - Wordian (1)
    - Irati Formation (1)
    - Khuff Formation (5)
    - Lower Permian
      - Abo Formation (1)
      - Al Khlata Formation (1)
      - Cisuralian
        
        Asselian (1)
      - Leman Sandstone Formation (1)
      - Leonardian
        
        Bone Spring Limestone (1)
        
        Clear Fork Group (3)
      - Qixia Formation (2)
      - Wichita Group (1)
      - Wolfcampian (8)
    - Lyons Sandstone (2)
    - Maokou Formation (2)
    - Middle Permian (8)
    - Park City Formation (1)
    - Phosphoria Formation (3)
    - Rotliegendes (11)
    - Shihezi Formation (2)
    - Unayzah Formation (2)
    - Upper Permian
      - Cadeby Formation (1)
      - Changxing Formation (1)
      - Kazanian (1)
      - Lopingian
        
        Changhsingian (1)
      - Permian-Triassic boundary (7)
      - Salado Formation (2)
      - Tatarian (1)
      - Zechstein (7)
    - Yates Formation (5)
    - Yeso Formation (3)
  - Read Bay Formation (1)
  - Sauk Sequence (1)
  - Silurian
    - Bass Islands Dolomite (2)
    - Henryhouse Formation (1)
    - Lockport Formation (4)
    - Lower Silurian
      - Llandovery
        
        Aeronian (1)
        
        Rhuddanian (1)
      - Tuscarora Formation (1)
      - Wenlock
        
        Homerian (1)
    - Middle Silurian
      - Clinton Group (1)
      - Keefer Sandstone (1)
      - Racine Dolomite (1)
    - Niagaran (6)
    - Upper Silurian
      - Cayugan (1)
      - Ludlow (2)
      - Salina Group (2)
    - Waterville Formation (1)
  - Supai Formation (2)
  - Tensleep Sandstone (1)
  - upper Paleozoic
    - Bakken Formation (3)
    - Copacabana Group (1)
    - Dwyka Formation (1)
    - Fountain Formation (1)
    - Kaskaskia Sequence (2)
    - Shanxi Formation (1)
    - Tirrawarra Sandstone (1)
    - Wood River Formation (1)
  - Weber Sandstone (1)
  - Woodford Shale (1)
- Phanerozoic (37)
- Precambrian
  - Archean
    - Aravalli System (1)
    - Fig Tree Group (2)
    - Iron Ore Group (1)
    - Mesoarchean (3)
    - Neoarchean
      - Sargur Group (1)
    - Paleoarchean (4)
    - Sausar Series (2)
    - Yellowknife Group (2)
  - Biwabik Iron Formation (2)
  - Central Rand Group (1)
  - Cuddapah System (1)
  - Flinton Group (2)
  - Fortescue Group (1)
  - Gunflint Iron Formation (3)
  - Hadean (1)
  - Hamersley Group (4)
  - Johnnie Formation (1)
  - Kingston Peak Formation (2)
  - Lewisian Complex (2)
  - middle Precambrian (3)
  - Nipissing Diabase (1)
  - Nonesuch Shale (2)
  - Onverwacht Group (1)
  - Pongola Supergroup (1)
  - Sokoman Formation (3)
  - Transvaal Supergroup (6)
  - Uinta Mountain Group (3)
  - upper Precambrian
    - Proterozoic
      - Bambui Group (2)
      - Banded Gneissic Complex (1)
      - Damara System (1)
      - Great Oxidation Event (4)
      - Huronian (1)
      - Hutuo Group (1)
      - Keweenawan
        
        Copper Harbor Conglomerate (1)
      - Lewisian (2)
      - Malmani Subgroup (1)
      - McNamara Group (1)
      - Mesoproterozoic
        
        Altyn Limestone (1)
        
        Belt Supergroup (6)
        
        Helena Formation (2)
        
        Laxfordian (1)
        
        Wallace Formation (1)
        
        Wumishan Formation (1)
      - Negaunee Iron Formation (1)
      - Neoproterozoic
        
        Burra Group (2)
        
        Cryogenian (7)
        
        Dengying Formation (9)
        
        Doushantuo Formation (4)
        
        Ediacaran
        
        Wonoka Formation (2)
        
        Marinoan (7)
        
        Nantuo Formation (1)
        
        Riphean
        
        upper Riphean (1)
        
        Tonian (1)
        
        Torridonian (2)
        
        Vendian (6)
      - Paleoproterozoic
        
        Aphebian (1)
        
        Orosirian (1)
        
        Qinling Group (1)
        
        Rooiberg Group (1)
        
        Rustenburg Layered Suite (1)
      - Pocatello Formation (1)
      - Roan Supergroup (1)
      - Sinian
        
        Dengying Formation (9)
        
        Doushantuo Formation (4)
        
        Nantuo Formation (1)
        
        Wumishan Formation (1)
      - Tapley Hill Formation (1)
      - Windermere System (1)
  - Waterberg System (1)
  - Witwatersrand Supergroup (1)
- Vindhyan (2)
igneous rocks
- agglutinates (1)
- extrusive rocks (1)
- igneous rocks
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    - sovite (5)
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      - plagiogranite (2)
      - tonalite (1)
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      - aplite (6)
      - A-type granites (7)
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      - granosyenite (2)
      - I-type granites (1)
      - leucogranite (4)
      - microgranite (1)
      - micropegmatite (1)
      - monzogranite (2)
      - S-type granites (1)
      - two-mica granite (1)
    - granodiorites (10)
    - ijolite (7)
    - lamproite (3)
    - lamprophyres
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      - minette (2)
      - spessartite (1)
    - monzonites (8)
    - pegmatite (44)
    - quartz monzonite (2)
    - quartzolite (2)
    - sovite (5)
    - syenites
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      - alkali syenites (8)
      - granosyenite (2)
      - nepheline syenite
        
        agpaite (1)
        
        lujavrite (1)
      - quartz syenite (1)
      - shonkinite (2)
    - ultramafics
      - chromitite (3)
      - peridotites
        
        dunite (9)
        
        garnet lherzolite (3)
        
        garnet peridotite (1)
        
        harzburgite (3)
        
        lherzolite (9)
        
        spinel lherzolite (1)
        
        spinel peridotite (2)
      - pyroxenite
        
        clinopyroxenite (4)
        
        garnet pyroxenite (1)
        
        websterite (3)
    - urtite (1)
  - porphyry (7)
  - volcanic rocks
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        alkali olivine basalt (2)
        
        hawaiite (1)
        
        mugearite (1)
        
        trachybasalts (1)
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      - tholeiitic basalt (2)
      - trap rocks (3)
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    - glasses
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      - volcanic glass (6)
    - komatiite (7)
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    - nephelinite (9)
    - phonolites
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      - ignimbrite (5)
      - pumice (2)
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      - tuff (28)
      - welded tuff (1)
    - rhyodacites (1)
    - rhyolites
      - quartz porphyry (1)
    - tephrite (2)
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    - trachytes (5)
- ophiolite (17)
- pyrolite (1)
- volcanic ash (11)
- wehrlite (4)
metamorphic rocks
- metamorphic rocks
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    - orthogneiss (3)
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  - granulites (4)
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    - metabasite (3)
    - metadiabase (1)
    - metadiorite (1)
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    - metakomatiite (1)
    - metaperidotite (4)
    - metarhyolite (1)
    - serpentinite (23)
  - metasedimentary rocks
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    - metachert (2)
    - metaconglomerate (1)
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    - metalimestone (3)
    - metapelite (7)
    - metasandstone (2)
    - metasiltstone (1)
    - paragneiss (2)
  - metasomatic rocks
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    - greisen
      - beresite (2)
    - rodingite (2)
    - serpentinite (23)
    - skarn (58)
  - metavolcanic rocks (11)
  - migmatites (2)
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  - phyllites (6)
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  - quartzites (25)
  - schists
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    - calc-schist (1)
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    - greenstone (3)
    - tourmalinite (1)
  - slates (8)
- ophiolite (17)
- turbidite (24)
meteorites
- meteorites
  - Allan Hills Meteorites
    - ALH 84001 (5)
  - iron meteorites
    - hexahedrite (1)
    - octahedrite
      - Sikhote-Alin Meteorite (1)
  - stony irons (1)
  - stony meteorites
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      - eucrite
        
        Moore County Meteorite (1)
      - Martian meteorites
        
        ALH 84001 (5)
        
        SNC Meteorites
        
        chassignite
        
        Chassigny Meteorite (1)
      - ureilite (1)
    - chondrites
      - carbonaceous chondrites
        
        CI chondrites (1)
        
        CM chondrites (1)
        
        CO chondrites (1)
        
        CR chondrites (1)
        
        CV chondrites
        
        Allende Meteorite (2)
      - ordinary chondrites (2)
minerals
- alabaster (1)
- alloys
  - carbides
    - cohenite (1)
    - moissanite (3)
  - hedleyite (1)
  - kamacite (1)
  - phosphides (6)
  - silicides (2)
  - taenite (2)
- antimonates (1)
- antimonides (2)
- antimonites (1)
- arsenates
  - beudantite (3)
  - mimetite (7)
  - pharmacolite (2)
- arsenides
  - arsenopyrite (17)
  - cobaltite (5)
  - gersdorffite (6)
  - lollingite (3)
  - maucherite (1)
  - nickeline (1)
  - pararammelsbergite (1)
  - rammelsbergite (1)
  - skutterudite (1)
- arsenites
  - mixite (1)
- bismuthides (2)
- borates
  - boracite (1)
  - borax (2)
  - ludwigite (1)
  - preobrazhenskite (1)
  - sakhaite (2)
- carbonates
  - alstonite (4)
  - alumohydrocalcite (3)
  - ankerite (102)
  - aragonite (525)
  - artinite (5)
  - azurite (18)
  - bastnaesite (93)
  - calcite (1934)
  - cancrinite (59)
  - cerussite (47)
  - dahllite (3)
  - dawsonite (30)
  - dolomite (1012)
  - gaylussite (6)
  - huntite (19)
  - hydromagnesite (31)
  - hydrotalcite (96)
  - Iceland spar (14)
  - ikaite (32)
  - kutnohorite (7)
  - leadhillite (12)
  - magnesian calcite (80)
  - magnesite (179)
  - malachite (46)
  - meionite (14)
  - monohydrocalcite (11)
  - nahcolite (15)
  - nesquehonite (10)
  - norsethite (14)
  - parisite (25)
  - phosgenite (8)
  - protodolomite (5)
  - pyroaurite (23)
  - rhodochrosite (73)
  - sakhaite (2)
  - shortite (10)
  - siderite (235)
  - sjogrenite (2)
  - smithsonite (20)
  - sphaerosiderite (11)
  - spurrite (27)
  - strontianite (23)
  - synchysite (27)
  - thaumasite (12)
  - thermonatrite (5)
  - trona (26)
  - vaterite (34)
  - weloganite (4)
  - witherite (30)
- chromates
  - crocoite (1)
  - hemihedrite (1)
- copper minerals (11)
- halides
  - bromides (3)
  - chlorides
    - atacamite (4)
    - bideauxite (1)
    - boracite (1)
    - eudialyte (4)
    - halite (41)
    - mimetite (7)
    - paratacamite (1)
    - phosgenite (8)
    - pyromorphite (3)
    - sylvite (8)
    - vanadinite (1)
  - fluorides
    - bastnaesite (93)
    - bideauxite (1)
    - clinohumite (5)
    - cryolite (1)
    - fluorite (71)
    - humite (6)
    - neighborite (1)
    - parisite (25)
    - synchysite (27)
    - topaz (2)
    - triplite (1)
    - zinnwaldite (2)
  - iodides (2)
- hydrates (34)
- iodates (3)
- iron minerals (9)
- manganese minerals (21)
- minerals (504)
- molybdates
  - powellite (2)
  - wulfenite (11)
- native elements
  - carbonado (1)
  - chaoite (1)
  - diamond
    - microdiamond (7)
  - fullerene (1)
  - graphite (52)
  - lonsdaleite (1)
- nitrates (7)
- organic minerals
  - amber (1)
- oxalates
  - weddellite (3)
  - whewellite (5)
- oxides
  - aluminum oxides (5)
  - anatase (6)
  - baddeleyite (5)
  - bayerite (2)
  - birnessite (5)
  - bixbyite (4)
  - brannerite (1)
  - brookite (1)
  - brucite (32)
  - buserite (1)
  - cassiterite (4)
  - chrome spinel (4)
  - chromite (9)
  - coronadite (1)
  - corundum (6)
  - cryptomelane (4)
  - cuprite (9)
  - delafossite (1)
  - diaspore (4)
  - ferrihydrite (6)
  - ferropericlase (2)
  - franklinite (2)
  - gahnite (1)
  - geikielite (3)
  - germanates (2)
  - gibbsite (9)
  - goethite (47)
  - hausmannite (14)
  - hematite (73)
  - hollandite (2)
  - hydroxides
    - aluminum hydroxides (3)
    - iron hydroxides (9)
    - oxyhydroxides (10)
    - schoepite (2)
  - ilmenite (19)
  - iron oxides (45)
  - jacobsite (7)
  - lepidocrocite (5)
  - leucoxene (1)
  - limonite (5)
  - lithiophorite (1)
  - maghemite (2)
  - magnesioferrite (3)
  - magnesium oxides (3)
  - magnetite (71)
  - manganese oxides (11)
  - manganite (6)
  - manganosite (3)
  - niobates
    - aeschynite (7)
    - betafite (1)
    - columbite (10)
    - euxenite (2)
    - fergusonite (7)
    - pyrochlore (21)
    - samarskite (6)
  - nordstrandite (3)
  - nsutite (1)
  - periclase (21)
  - perovskite (23)
  - pitchblende (1)
  - portlandite (9)
  - pseudobrookite (1)
  - pyrolusite (8)
  - pyrophanite (1)
  - ramsdellite (1)
  - rancieite (1)
  - rutile (27)
  - sapphire (2)
  - specularite (2)
  - spinel (22)
  - spinel group (6)
  - tantalates
    - betafite (1)
    - euxenite (2)
    - microlite (1)
    - tantalite (3)
  - thorianite (2)
  - titanomagnetite (2)
  - todorokite (3)
  - ulvospinel (1)
  - uraninite (12)
  - valentinite (2)
  - vernadite (1)
  - wustite (3)
  - zincite (3)
  - zirconolite (2)
  - zirkelite (1)
- phosphates
  - apatite (89)
  - britholite (7)
  - brushite (5)
  - carbonate apatite (1)
  - chlorapatite (1)
  - crandallite (5)
  - dahllite (3)
  - florencite (3)
  - fluorapatite (25)
  - francolite (2)
  - goyazite (1)
  - hydroxylapatite (14)
  - lazulite (1)
  - lithiophilite (1)
  - merrillite (1)
  - monazite (45)
  - monetite (2)
  - montebrasite (1)
  - pyromorphite (3)
  - rhabdophane (8)
  - strengite (1)
  - struvite (2)
  - triplite (1)
  - turquoise (2)
  - vivianite (7)
  - whitlockite (3)
  - xenotime (15)
- platinum minerals (2)
- selenates (2)
- selenides
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- selenites (2)
- silicates
  - aluminosilicates (12)
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    - aenigmatite group
      - rhonite (1)
      - sapphirine (1)
    - amphibole group
      - clinoamphibole
        
        actinolite (5)
        
        arfvedsonite (7)
        
        crocidolite (1)
        
        cummingtonite (2)
        
        edenite (1)
        
        glaucophane (5)
        
        grunerite (4)
        
        hastingsite (1)
        
        hornblende (11)
        
        kaersutite (3)
        
        nephrite (2)
        
        pargasite (4)
        
        richterite (2)
        
        riebeckite (4)
        
        tremolite (13)
      - orthoamphibole
        
        anthophyllite (2)
    - astrophyllite (3)
    - carpholite (1)
    - charoite (1)
    - deerite (1)
    - jade (1)
    - prehnite (4)
    - pyroxene group
      - clinopyroxene
        
        aegirine (18)
        
        augite (2)
        
        chrome diopside (1)
        
        diopside (41)
        
        hedenbergite (5)
        
        jadeite (5)
        
        omphacite (5)
        
        spodumene (4)
      - orthopyroxene
        
        enstatite (17)
    - pyroxmangite (1)
    - rhodonite group
      - babingtonite (1)
      - rhodonite (8)
    - tobermorite (7)
    - wollastonite group
      - bustamite (2)
      - pectolite (5)
      - wollastonite (31)
    - xonotlite (3)
  - feldspathoids (6)
  - framework silicates
    - cancrinite (59)
    - danburite (1)
    - feldspar group
      - alkali feldspar
        
        adularia (6)
        
        anorthoclase (1)
        
        celsian (1)
        
        K-feldspar (32)
        
        microcline (5)
        
        orthoclase (4)
        
        sanidine (6)
      - barium feldspar
        
        celsian (1)
      - plagioclase
        
        albite (32)
        
        anorthite (9)
        
        oligoclase (3)
    - leucite (3)
    - nepheline group
      - kalsilite (3)
      - nepheline (14)
    - scapolite group
      - meionite (14)
      - scapolite (17)
    - silica minerals
      - amethyst (1)
      - carnelian (1)
      - chalcedony (8)
      - coesite (18)
      - cristobalite (5)
      - jasper (3)
      - moganite (1)
      - opal
        
        opal-A (1)
        
        opal-CT (4)
      - quartz (311)
      - stishovite (2)
    - sodalite group
      - genthelvite (1)
      - hauyne (2)
      - helvite (1)
      - hydrosodalite (1)
      - lazurite (3)
      - nosean (1)
      - sodalite (11)
    - zeolite group
      - analcime (14)
      - chabazite (8)
      - clinoptilolite (9)
      - edingtonite (2)
      - erionite (2)
      - faujasite (1)
      - gmelinite (2)
      - harmotome (2)
      - heulandite (2)
      - laumontite (5)
      - mesolite (1)
      - mordenite (6)
      - natrolite (6)
      - offretite (1)
      - phillipsite (5)
      - pollucite (1)
      - scolecite (1)
      - thomsonite (1)
      - wairakite (1)
  - iron silicates (3)
  - magnesian silicates (3)
  - neptunite (1)
  - orthosilicates
    - nesosilicates
      - andalusite (3)
      - braunite (9)
      - britholite group
        
        britholite (7)
      - chloritoid (1)
      - chondrodite (2)
      - clinohumite (5)
      - cyrtolite (1)
      - datolite group
        
        datolite (2)
        
        gadolinite (3)
      - dumortierite (2)
      - ellenbergerite (2)
      - garnet group
        
        almandine (3)
        
        andradite (11)
        
        grossular (10)
        
        hydrogarnet
        
        hibschite (3)
        
        hydrogrossular (3)
        
        majorite (1)
        
        pyrope (8)
        
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        melilite (6)
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  - ring silicates
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- sulfates
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- sulfides
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- sulfosalts
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- tellurites
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- vanadates
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- wehrlite (4)
Primary terms
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