Citrine
Silicon Dioxide (SiO2)
mineral
Category
Igneous, Sedimentary, Metamorphic, Mineral
Browse igneous, sedimentary, metamorphic, mineral specimens identified by the Rock Identifier community.
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White Sapphire
Corundum (Al2O3)
mineral
Smoky Quartz (Faceted Beads)
Silicon Dioxide (SiO2)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Marble
Metamorphosed Limestone / Calcite or Dolomite
metamorphic
Quartz (Pink / Rose Quartz variant)
Silicon Dioxide (SiO2)
mineral
Rhodochrosite
Rhodochrosite, Manganese Carbonate (MnCO3)
mineral
Unakite
Epidotized Granite
metamorphic
Biotite Schist
Biotite Schist (predominantly K(Mg,Fe)3AlSi3O10(OH,F)2)
metamorphic
Rough Sodalite
Sodalite, Na8(Al6Si6O24)Cl2
mineral
Garnet
Garnet group species (likely Almandine, Fe3Al2(SiO4)3)
mineral
Orthoclase Feldspar (Sunstone variety)
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Garnet (Pyrope or Almandine)
Silicate (X3Y2Si3O12)
mineral
Yellow Aventurine (specifically a carved crescent moon)
Silicon Dioxide (SiO2) with inclusions
mineral
Chalcopyrite
Chalcopyrite (CuFeS2)
Mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Quartz with Muscovite Mica
SiO2 with KAl2(AlSi3O10)(OH)2
mineral group
Greenstone / Chert
Cryptocrystalline Quartz (SiO2) or Altered Basalt
sedimentary or metamorphic
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Muscovite Mica
KAl2(AlSi3O10)(F,OH)2
mineral
Greenstone (Epidote/Chlorite Rich Rock)
Metabasalt (often contains Epidote Ca2Al2(Fe3+;Al)(SiO4)(Si2O7)O(OH))
metamorphic
Gneiss (Granitic Gneiss)
Gneiss (composed mainly of quartz, K-feldspar, plagioclase, and biotite)
metamorphic
Calcite
Calcium Carbonate (CaCO3)
mineral
Calcite
Calcium Carbonate (CaCO3)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Schist (Greenschist / Mica Schist)
Metamorphic rock rich in platy minerals (e.g., Chlorite/Mica schist)
metamorphic
Quartz (Druzy) on Matrix
Silicon Dioxide (SiO2)
mineral
Bull Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Milky Quartz (with trace inclusions)
Silicon Dioxide (SiO2)
mineral
Milky Quartz with Chlorite/Moss Infusions
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Fluorite, Turquoise, and Calcite set
Calcium Fluoride (CaF2), Hydrous Phosphate of Copper and Aluminum (CuAl6(PO4)4(OH)8·4H2O), Calcium Carbonate (CaCO3)
mineral
Sunstone (Feldspar)
(Ca,Na)((Al,Si)2Si2O8) with inclusions of Hematite or Goethite
mineral
Garnet (Almandine-Pyrope)
Almandine-Pyrope Mg3Al2(SiO4)3 to Fe3Al2(SiO4)3
mineral
Sugilite
KNa2(Fe,Mn,Al)2Li3Si12O30
mineral
Peach Moonstone
Orthoclase (Potassium Aluminum Silicate, KAlSi3O8)
mineral
Rutilated Quartz
Quartz with Rutile inclusions (SiO2 with TiO2)
mineral
Smoky Quartz (Polished)
Silicon Dioxide (SiO2)
mineral
Sunstone
Oligoclase (Feldspar variety), (Na,Ca)(Si,Al)4O8
mineral
Smoky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
mineral