Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Category
Mixed: Igneous And Sedimentary
Browse mixed: igneous and sedimentary specimens identified by the Rock Identifier community.
Learn about Mixed: Igneous And Sedimentary in the encyclopedia
View all →
Clear Quartz (Tumbled)
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Potassium Feldspar
Orthoclase (KAlSi3O8)
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Yellow Quartz (Citrine/Yellow Jasper)
Silicon Dioxide (SiO2)
mineral
Calcite
Calcium Carbonate (CaCO3)
mineral
Graphite
Graphite (Native Carbon), Formula: C
Metamorphic
Clear Quartz Crystal
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Quartz (Milky/Crystalline variety)
Silicon Dioxide (SiO2)
mineral
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Ruby in Zoisite
Anyolite (composite of Corundum Al2O3 and Zoisite Ca2Al3(SiO4)(Si2O7)O(OH))
metamorphic
Chalcedony (Quartz Var.)
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Chalcedony (Agate/Carnelian)
Cryptocrystalline Quartz (SiO2)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Gneiss
Gneiss (Metamorphic rock composed primarily of quartz, feldspar, and mica)
metamorphic
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Optical Calcite (Iceland Spar)
Calcite (Calcium Carbonate, CaCO3)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Gneissic Schist
Gneiss-schist (Metamorphic rock)
metamorphic
Gneiss
Gneiss
metamorphic
Pyrite (Iron Pyrites)
Iron Sulfide (FeS2)
mineral
Feldspathic Gneiss (Granite Gneiss)
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Quartz (Milky or White Quartz)
Silicon Dioxide (SiO2)
mineral
Pyrite
Pyrite (Iron Disulfide), FeS2
Mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Citrine
Silicon dioxide (SiO2)
mineral
Gemstone Sand (Mineral Assortment)
Mixed Mineral Concentrates (Commonly including Quartz SiO2, Garnet X3Y2(SiO4)3, and Tourmaline (Na,Ca)(Li,Mg,Al)3(Al,Fe,Mn)6(BO3)3(Si6O18)(OH,F)4)
mineral
Dalmation Stone (Dyed)
Peralkaline rhyolite
igneous
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Gneiss (Augen Gneiss)
Augen Gneiss
metamorphic