Pyrite (Fool's Gold) in Matrix
Iron Disulfide (FeS2)
mineral
Category
Sedimentary And Metamorphic
Browse sedimentary and metamorphic specimens identified by the Rock Identifier community.
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Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Tumbled Clear Quartz/Rock Crystal
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Clear Quartz (Tumbled)
Silicon Dioxide (SiO2)
mineral
Pyrite in Host Rock
Iron Disulfide (FeS2)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Crystal
Silicon Dioxide (SiO2)
mineral
Hematite (likely Botryoidal or Specularite variant)
Iron(III) oxide (Fe2O3)
mineral
Galena
Lead(II) sulfide (PbS)
mineral
Emerald
Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)
mineral
Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Quartz (Grain)
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Red Jasper
Silicon Dioxide (SiO2) with Hematite impurities
sedimentary
Clear Quartz
Silicon dioxide (SiO2)
mineral
Quartz (Smoky/Grey variety)
Silicon Dioxide (SiO2)
mineral
Feldspar (specifically Orthoclase or Plagioclase)
Potassium Aluminum Silicate (KAlSi3O8) or Sodium/Calcium Aluminum Silicate
mineral
Quartz (Milky/Sugar variety)
Silicon Dioxide (SiO2)
mineral
Clear Quartz Crystal
Silicon Dioxide (SiO2)
mineral
Blue Apatite
Calcium Phosphate (Ca5(PO4)3(F,Cl,OH))
mineral
Clear Quartz
SiO2 (Silicon Dioxide)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Black Onyx
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Hematite Nodule
Hematite (Fe2O3)
mineral
Pyrite in Quartz
Iron Disulfide (FeS2) in Silicon Dioxide (SiO2)
mineral
Bornite
Bornite (Cu5FeS4)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite (locally known as Fool's Gold)
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Quartz (Small Fragment)
Silicon Dioxide (SiO2)
mineral
Blue Apatite
Apatite-(CaF), Ca5(PO4)3F
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite in Matrix (Fool's Gold)
Iron Disulfide (FeS2)
mineral