Mica Schist
Mica Schist (KAl2(AlSi3O10)(OH)2 / K(Mg,Fe)3AlSi3O10(OH)2)
Category
Browse mineral (processed metal) specimens identified by the Rock Identifier community.
Mica Schist
Mica Schist (KAl2(AlSi3O10)(OH)2 / K(Mg,Fe)3AlSi3O10(OH)2)
Quartzite
Quartzite (Primary mineral: SiO2)
Rose Gold (Copper-Gold Alloy)
Aurum-Cuprum Alloy (Au-Cu)
Basalt
Basalt (dominated by plagioclase feldspar and pyroxene minerals)
Schist
Mica Schist
Mica Schist
Mica Schist (predominantly composed of Muscovite or Biotite silicates)
Schist
Mica Schist (variety: Muscovite/Biotite Schist)
Mahogany Obsidian
Volcanic Glass (predominantly SiO2 with inclusions of Hematite or Magnetite)
Basalt
Basalt (Mafic Extrusive Igneous Rock)
Opalite
Man-made Glass (SiO2 + additives)
Vesicular Basalt (Scoria)
Extrusive Mafic Igneous Rock (primarily Plagioclase Feldspar and Pyroxene)
Blue Goldstone
Aventurine Glass (SiO2 with Co and metallic inclusions)
Slag (Industrial Byproduct)
Artificial silicate/iron byproduct
Meteorite (Chondrite)
Stony Meteorite (Ordinary Chondrite)
Schist
Schist (Crystalline metamorphic rock)
Hypersthene
Hypersthene ((Mg,Fe)SiO₃)
Basalt
Basalt (Mafic volcanic rock)
Epidote-bearing Granite (Unakite-like)
Epidotized Granite
Fluorite
Fluorite (Calcium Fluoride, CaF2)
Fluorite in Matrix
Fluorite (CaF2) within a host rock matrix
Basalt (with possible weathering or secondary mineral crust)
Basalt (Aphanitic Mafic Igneous Rock)
Schist
Mica Schist
Greenschist
Chlorite-actinolite schist
Basalt
Basalt (Mafic Extrusive)
Quartzite Pebble
Quartzite (primarily SiO2)
Bronzite
MgSiO3 (Enstatite with 10-30% FeSiO3 in solid solution)
Rutile in Quartz (Rutilated Quartz)
SiO2 with TiO2 inclusions
Pyrite
Pyrite (FeS₂)
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Lepidolite
K(Li,Al)3(Al,Si)4O10(F,OH)2 (Lithium-bearing phyllosilicate)
Basalt
Basalt (Aphanitic Mafic Igneous Rock)
Gneiss
Gneiss
Polished Basalt
Basalt (Mafic volcanic rock)
Mica Schist
Mica Schist (Composition typically includes Muscovite KAl2(AlSi3O10)(OH)2 and Quartz SiO2)
Banded Iron Formation (BIF)
Banded Iron Formation (composed primarily of Hematite [Fe2O3], Magnetite [Fe3O4], and Chert [SiO2])
Fluorite
Fluorite (Calcium Fluoride, CaF2)
Pyrite
Pyrite (Iron Disulfide), FeS2
Rutilated Quartz
SiO2 with TiO2 inclusions
Basalt
Basalt (Mafic Extrusive Igneous Rock)
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Pyrite
Pyrite (Iron Disulfide), FeS2
Sunstone
Plagioclase Feldspar (specifically Oligoclase variety containing hematite or goethite inclusions)", composition: (Ca,Na)(Al,Si)2Si2O8