Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Category
Sedimentary Or Metamorphic Derived
Browse sedimentary or metamorphic derived specimens identified by the Rock Identifier community.
Learn about Sedimentary Or Metamorphic Derived in the encyclopedia
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Clear Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite in Matrix (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Quartz (Milky or White Quartz)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Gold Mineral
Native Gold (Au)
mineral
Quartz (Milky/Common Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz Crystal Point
Silicon Dioxide (SiO2)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz Crystal
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (likely milky/rose quartz variety)
Quartz (SiO2 - Silicon Dioxide)
Mineral
Greenstone / Greenschist
Greenschist facies metamorphic rock
metamorphic
Banded Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Greenschist
Chlorite Schist
metamorphic
Quartz
Silicon Dioxide (SiO2)
Mineral
Dalmatian Stone
Dalmatian Jasper (a misnomer) / Perthitic Igneous Rock
igneous
Gneiss
Metamorphic Gneiss
metamorphic
Banded Gneiss
Gneiss
metamorphic
Jasper
Chalcedony (cryptocrystalline quartz), SiO2
Sedimentary
Quartz Mica Schist
Mica-Quartz Schist (Chemical: SiO2 + KAl2(AlSi3O10)(OH)2)
metamorphic
Carnelian
Carnelian (SiO2 - Silicon Dioxide with Iron Oxide impurities)
mineral
Biotite Mica
Biotite (K(Mg,Fe)3AlSi3O10(F,OH)2)
mineral
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Kyanite in Quartz
Kyanite (Al2SiO5) with Quartz (SiO2) matrix
metamorphic
Green Aventurine
Quartzite with Fuchsite inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
metamorphic
Kyanite (in Schist Matrix)
Kyanite (Al2SiO5)
metamorphic
Gneiss
Gneiss
metamorphic
Gneiss
Gneiss (Metamorphic rock)
metamorphic
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Quartz (SiO₂ - Silicon Dioxide)
Mineral
Quartz Geode Fragment
Silicon Dioxide (SiO2)
mineral
Limonite (with Goethite/Hematite glaze)
Hydrated Iron(III) Oxide-Hydroxide (FeO(OH)·nH2O)
mineral
Red Jasper
Jasper (Silicon Dioxide) - SiO2
sedimentary
Anthracite Coal
Anthracite (Carbon-rich Sedimentary-to-Metamorphic Rock)
metamorphic
Gneiss
Foliated Metamorphic Rock
metamorphic
Shale
Shale (comprised mostly of clay minerals and quartz)
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Vuggy Quartz on Matrix
Silicon Dioxide (SiO2)
mineral