Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Category
Browse mineral (processed metal) specimens identified by the Rock Identifier community.
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Pyrite
Iron Disulfide (FeS2)
Hematite
Iron(III) oxide (Fe2O3)
Gold Ore / Native Gold
Native Gold (Au)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Pyrite
Iron Sulfide (FeS2)
Magnetite Sand (Black Sand)
Magnetite (Fe3O4)
Pyrite in Shale
Iron Disulfide (FeS2) in Sedimentary Shale
Muscovite Mica (with Quartz)
Muscovite (KAl2(AlSi3O10)(OH)2)
Black Tourmaline
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
Gold Nugget
Native Gold (Au)
Gold Flake / Placer Gold
Native Gold (Au)
Pyrite
Iron Sulfide (FeS2)
Hematite
Iron(III) oxide (Fe2O3)
Pyrite in Matrix (likely Quartz or Coal)
Iron Sulfide (FeS2)
Gold Nugget
Native Gold (Au)
Pyrite
Iron Sulfide (FeS2)
Hematite
Iron(III) oxide (Fe2O3)
Hematite
Iron(III) oxide (Fe2O3)
Pyrite
Iron Disulfide (FeS2)
Limonite (Iron Stone/Goethite)
Limonite (mixture of hydrated iron oxides, primarily Goethite: α-FeO(OH))
Hematite
Iron(III) oxide (Fe2O3)
Galena
Lead(II) sulfide (PbS)
Hematite
Iron(III) oxide (Fe2O3)
Limonite (Iron Ore)
Goethite and related iron hydroxides (FeO(OH)·nH2O)
Pyrite
Iron Disulfide (FeS2)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Ironstone Concretion (Moqui Marble)
Hematite/Goethite Concretion (Fe2O3 / FeO(OH))
Bornite (Peacock Ore)
Bornite (Cu5FeS4)
Sunstone
Plagioclase Feldspar (containing (Ca,Na)(Al,Si)4O8 with Hematite or Copper inclusions)
Lapis Lazuli (Tumbled Specimen)
Lapis Lazuli (Aggregate rock containing Lazurite: (Na,Ca)8(AlSiO4)6(SO4,S,Cl)2)
Bornite (Peacock Ore)
Bornite (Cu5FeS4)
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite mica
Fluorite
Calcium Fluoride (CaF2)
Chondrite Meteorite
Ordinary Chondrite (Fe-Ni alloy, Olivine, Pyroxene)
Orange Calcite
Calcium Carbonate (CaCO3)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Crystalline Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Silver (Native Silver)
Native Silver (Ag)