Pyrite or Chalcopyrite
Iron sulfide (FeS2) or Copper iron sulfide (CuFeS2)
mineral
Category
Metamorphic (Localized) Or Sedimentary
Browse metamorphic (localized) or sedimentary specimens identified by the Rock Identifier community.
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Garnet-bearing metamorphic rock, likely garnet schist or amphibolite
Almandine garnet (Fe₃Al₂Si₃O₁₂) in mica- or amphibole-rich matrix
metamorphic
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Mica Schist
Mica Schist (Quartz-Mica Metamorphic Rock)
metamorphic
Citrine
Silicon dioxide (SiO2)
gemstone
Apatite
Ca5(PO4)3(F,Cl,OH)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Quartz fragment
Silicon Dioxide (SiO2)
mineral
Blue Apatite
Ca5(PO4)3(F,Cl,OH)
mineral
Kyanite
Kyanite (Al2SiO5)
Mineral
Hematite
Iron Oxide (Fe2O3)
mineral
Milky Quartz
Quartz (SiO2)
mineral
Magnetite Ore
Magnetite (Fe3O4)
mineral
Magnetite (Iron Ore)
Iron(II,III) oxide (Fe3O4)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Quartz (Pink / Rose Quartz variant)
Silicon Dioxide (SiO2)
mineral
Chalcopyrite
Copper Iron Sulfide (CuFeS2)
mineral
Quartz with Inclusions
Silicon Dioxide (SiO2)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Red Calcite
Calcium Carbonate (CaCO3)
mineral
Agate
SiO2 (Chalcedony/Quartz)
sedimentary
Hematite
Iron Oxide (Fe2O3)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Rhodochrosite
Rhodochrosite, Manganese Carbonate (MnCO3)
mineral
Pyrite in Matrix (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Quartz Veined Mudstone
Metasedimentary rock with Quartz (SiO2) veins
metamorphic
Mica Schist
Schist (Mica-rich Metamorphic Rock)
metamorphic
Zoisite with Rubellite (Ruby in Zoisite)
Zoisite with inclusions of Hornblende (Anyolite)
metamorphic
Zoisite with Ruby
Anyolite (Calcium aluminum hydroxy silicate with Corundum) Ca2Al3(SiO4)3(OH)
metamorphic
Pyrite
Iron Sulfide (FeS2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Weathered schist or phyllite
Mica schist/phyllite, likely quartz–mica-rich metamorphic rock
metamorphic
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Travertine
Terrestrial Sedimentary Limestone (CaCO3)
sedimentary
Magnetite
Magnetite (Fe3O4)
mineral
Banded gneissic rock
Gneiss, likely quartz–feldspar–biotite gneiss
metamorphic
Magnetite / Ironstone
Magnetite (Fe3O4)
mineral