Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Category
Sedimentary Or Metamorphic
Browse sedimentary or metamorphic specimens identified by the Rock Identifier community.
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Quartz (Milky or White Quartz)
Silicon Dioxide (SiO2)
mineral
Pink Calcite
Calcium Carbonate (CaCO3)
mineral
Quartz / Clear Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Orange Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Specular Hematite
Hematite (Fe2O3)
mineral
Red Garnet
Almandine Garnet (Fe3Al2(SiO4)3)
mineral
Pyrite in Matrix
Iron Disulfide (FeS2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Galena
Lead(II) sulfide (PbS)
mineral
Quartz (Common or Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz (Milky or Common Quartz)
Silicon Dioxide (SiO2)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Optical Calcite (Iceland Spar)
Calcite (Calcium Carbonate, CaCO3)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Optical Calcite
Calcium Carbonate (CaCO3)
mineral
Quartz (Milky/Crystalline)
Quartz (Silicon Dioxide, SiO2)
mineral
Gold Nugget
Native Gold (Au)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Magnetite / Iron Ore
Magnetite (Fe3O4)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Blue Apatite
Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)
mineral
Clear Quartz Fragment
Quartz (Silicon Dioxide, SiO2)
mineral
Red Jasper
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Marble
Recrystallized Limestone (CaCO3)
metamorphic
Pyrite
Pyrite (Iron Disulfide), FeS2
Mineral
Quartz Vein in Schist
Quartz (SiO2) in Pelitic Schist
metamorphic
Garnet Schist
Almandine Garnet in Schist (X3Al2(SiO4)3)
metamorphic
Quartzite (clastic/metamorphic subtype)
Quartzite (primarily Silicon Dioxide, SiO2)
metamorphic
Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic