Quartz
Silicon Dioxide (SiO2)
mineral
Category
Sedimentary And Metamorphic
Browse sedimentary and metamorphic specimens identified by the Rock Identifier community.
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Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite (Fool's Gold)
Iron disulfide (FeS2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Red Calcite
Calcium Carbonate (CaCO3)
mineral
Hematite
Iron Oxide (Fe2O3)
mineral
Quartz (Pink / Rose Quartz variant)
Silicon Dioxide (SiO2)
mineral
Quartz with Inclusions
Silicon Dioxide (SiO2)
mineral
Rhodochrosite
Rhodochrosite, Manganese Carbonate (MnCO3)
mineral
Pyrite in Matrix (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Gneiss with Quartz Vein
Metamorphic Gneiss
metamorphic
Greenish Metamorphic Rock (likely containing epidote or chlorite)
Metamorphic rock, possibly epidosite or greenstone
Metamorphic
Kyanite
Kyanite (Al2SiO5)
Mineral
Zoisite with Ruby
Anyolite (Calcium aluminum hydroxy silicate with Corundum) Ca2Al3(SiO4)3(OH)
metamorphic
Quartz fragment
Quartz (silicon dioxide, SiO₂)
mineral
Magnetite Ore
Magnetite (Fe3O4)
mineral
Pyrite in Quartz
Iron Sulfide in Silicon Dioxide (FeS2 + SiO2)
mineral
Jasper
Silicon Dioxide (Microcrystalline Quartz, SiO2)
sedimentary
Quartz Crystal
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (SiO2)
mineral
Weathered foliated metamorphic rock, likely mica schist
Mica schist (likely quartz–muscovite/biotite schist; exact identification requires closer inspection)
metamorphic
Weathered iron-rich metamorphic rock (probable amphibolite or schist fragment)
Likely hornblende–plagioclase amphibolite with biotite/chlorite alteration; exact identification requires testing
metamorphic
Almandine Garnet
Almandine, Fe3Al2(SiO4)3
mineral
Travertine
Terrestrial Sedimentary Limestone (CaCO3)
sedimentary
Slate
Metamorphic pelitic rock
metamorphic
Schist
Metamorphic Rock (Schist)
metamorphic
Gneiss
Metamorphic Gneiss
metamorphic
Marble
Metamorphic limestone (CaCO3)
metamorphic
Gneiss with Quartz Vein
Foliated Metamorphic Rock
metamorphic
Garnet-bearing metamorphic rock, likely garnet schist or amphibolite
Almandine garnet (Fe₃Al₂Si₃O₁₂) in mica- or amphibole-rich matrix
metamorphic
Banded Slate
Metamorphic pelitic rock
metamorphic