Pyrite
Iron Sulfide (FeS2)
mineral
Category
Sedimentary Or Metamorphic
Browse sedimentary or metamorphic specimens identified by the Rock Identifier community.
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Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Raw Calcite
Calcite (Calcium Carbonate - CaCO3)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Clear Quartz Crystal
Silicon Dioxide (SiO2)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Clear Quartz / Rock Crystal
Silicon Dioxide (SiO2)
mineral
Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Rock Crystal)
Crystalline Silicon Dioxide (SiO2)
gemstone
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Garnet (Polished)
Nesosilicate (Group formula: X3Y2(SiO4)3)
gemstone
Pyrite
Iron Sulfide (FeS2)
mineral
Blue Apatite
Apatite group (Ca5(PO4)3(F,Cl,OH))
mineral
Blue Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Mixed Mineral and Fossil Collection
Multi-specimen assemblage (SiO2, CaCO3, FeS2, etc.)
mineral
Quartz (Milky/Crystalline variety)
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Quartz Mineral
Silicon Dioxide (SiO2)
mineral
Hematite
Hematite (Α-Fe2O3)
mineral
Onyx Marble (Banded Calcite)
Calcite (Calcium Carbonate, CaCO3)
sedimentary
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Fragment
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon dioxide (SiO2)
Mineral
Educational Geologic Collection
Mixed Mineral and Rock Collection (Various compositions)
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Calcite
Calcium Carbonate (CaCO3)
mineral
Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Gneiss (with Mica and Quartz)
Gneissic Metamorphic Rock
metamorphic
Magnetite (Octahedral Crystal)
Magnetite (Fe3O4)
mineral
Magnetite
Magnetite (Fe3O4)
mineral
Magnetite (Lodestone)
Magnetite (Fe3O4)
mineral
Almandine Garnet in Matrix
Almandine Garnet (Fe3Al2(SiO4)3) in Schist/Quartz Matrix
metamorphic
Blue Kyanite
Kyanite (Al2SiO5)
mineral