Muscovite Mica
Muscovite - KAl2(AlSi3O10)(F,OH)2
mineral
Category
Igneous, Sedimentary, Or Metamorphic (Mineral Based)
Browse igneous, sedimentary, or metamorphic (mineral based) specimens identified by the Rock Identifier community.
Learn about Igneous, Sedimentary, Or Metamorphic (Mineral Based) in the encyclopedia
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Cone-in-cone structure (Limestone)
Cone-in-cone structure (Secondary Sedimentary Structure)
sedimentary
Sandstone (lithic/arkosic)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Sandstone
Arenite (SiO2 based typically)
sedimentary
Pyrite in Matrix (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Biotite Mica
K(Mg, Fe)3(AlSi3O10)(F, OH)2
mineral
Blue Aura Quartz
Silicon Dioxide (SiO2) with metallic vapor coating
mineral
Greenschist
Greenschist (Chlorite-actinolite schist)
metamorphic
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Graphite
Graphite (Carbon, C)
mineral
Blue Quartz
Silicon Dioxide (SiO2) with inclusions
mineral
Muscovite Mica
KAl2(AlSi3O10)(F,OH)2
mineral
Sandstone (Arkose)
Arkose Sandstone (principally SiO2 with Feldspar)
sedimentary
Pyrite
Iron Disulfide (FeS2)
mineral
Quartz (Agate/Jasper pebble)
Silicon Dioxide (SiO2)
mineral
Graphite
Carbon (C)
mineral
Labradorite
(Ca,Na)(Al,Si)4O8 (Plagioclase Feldspar)
mineral
Magnetite / Iron Ore
Magnetite (Fe3O4)
mineral
Talc Schist / Soapstone
Talc (Mg3Si4O10(OH)2)
metamorphic
Moss Agate
Chalcedony (SiO2) with dendritic inclusions of Manganese or Iron oxide
mineral
Limonite-stained Quartz
Silicon Dioxide (SiO2) with Iron Oxide/Hydroxide (FeO(OH)·nH2O) staining
mineral
Gneiss (specifically a Banded Gneiss pebble)
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Citrine Quartz
SiO2 (Silicon Dioxide with Iron impurities)
mineral
Blue Aventurine
Silicon Dioxide (SiO2) with inclusions of Dumortierite
Mineral (silicate variety)
Conglomerate
Sedimentary Conglomerate with Basaltic Clast
sedimentary
Magnetite (Iron Ore)
Magnetite (Fe3O4)
mineral
Quartz (Orange/Pink variety)
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Chalcopyrite
Copper Iron Sulfide (CuFeS2)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Optical Calcite
Calcium Carbonate (CaCO3)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Pyrite in Matrix
Iron Sulfide (FeS2)
mineral
Epidote
Ca2(Al, Fe)3(SiO4)3(OH)
mineral
Sandstone
Arenite (primarily SiO2)
sedimentary
Magnetite (Iron Ore)
Magnetite (Fe3O4)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Magnetite
Magnetite (Fe3O4)
mineral
Jasper Agate (Carnelian Jasper)
Silicon Dioxide (SiO2) with iron oxide inclusions
mineral
Muscovite Mica
KAl2(AlSi3O10)(F,OH)2
mineral