Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
mineral
Category
Sedimentary Or Igneous Associated Mineral
Browse sedimentary or igneous associated mineral specimens identified by the Rock Identifier community.
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Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
mineral
Lepidolite Polished Point
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Leopard Skin Jasper
Chalcedony (cryptocrystalline Quartz)
Mineral
Arsenopyrite in Sulphide Ore
Arsenopyrite (FeAsS)
mineral
Tektite
Natural impact glass
meteorite
Magnetite (Lodestone)
Magnetite (Fe3O4)
mineral
Red Jasper
Microcrystalline quartz (SiO2) with iron oxide impurities
sedimentary
Quartz
Quartz (SiO2 - Silicon Dioxide)
Mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Tektite (Indochinite)
Impactite / Tektite (Silica-rich glass)
igneous
Quartz fragment (Pebble)
Silicon Dioxide (SiO2)
mineral
Pumice
Pumice (Volcanic glass / Felsic igneous rock)
igneous
Tumbled smoky quartz
Quartz, silicon dioxide (SiO₂), smoky variety
mineral
Gneiss with Quartz Veining
Gneiss (High-grade Metamorphic Rock)
metamorphic
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Carnelian
Silicon Dioxide (Chalcedony variety), SiO2
gemstone
Staurolite
Staurolite (Fe2Al9O6(SiO4)4(O,OH)2)
mineral
Mixed mineral and rock collection
Predominantly quartz varieties, including amethyst, plus likely calcite, feldspar, mica, and miscellaneous polished stones
mineral
Epidote with Quartz
Ca2(Al,Fe)3(SiO4)3(OH) (Epidote) / SiO2 (Quartz)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Collection of Minerals and Ores
Various (e.g., Uraninite (U3O8), Carbon (C), Native Gold (Au), Hematite (Fe2O3), Galena (PbS), etc.)
mineral
Ruby in Kyanite
Corundum (Al2O3) in Kyanite (Al2SiO5)
metamorphic
Dalmatian Jasper
Peralkaline rhyolite
igneous
Orange Quartz / Peach Aventurine
Silicon Dioxide (SiO2)
mineral
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
mineral
Red Jasper
Microcrystalline Quartz (Chalcedony), SiO2
sedimentary
Tiger's Eye (Mineral Collection)
Tiger's Eye (SiO2 with crocidolite inclusions)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
Blue Apatite
Apatite group (Ca5(PO4)3(F,Cl,OH))
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Amazonite
Microcline feldspar (KAlSi3O8)
mineral
Fuchsite (Chrome Mica)
Chromian Muscovite - K(Al,Cr)2(AlSi3O10)(OH)2
mineral
Lepidolite
K(Li,Al)3(Si,Al)4O10(F,OH)2
mineral
Gold Nugget
Native Gold (Au)
mineral
Aventurine (Green Aventurine)
Quartz with Fuchsite Inclusions (SiO2)
Mineral
Glaucophane / Blue Schist
Glaucophane (Na2(Mg3Al2)Si8O22(OH)2)
metamorphic