Pyrite
Iron Sulfide (FeS2)
mineral
Category
Mineral (Refined Metal)
Browse mineral (refined metal) specimens identified by the Rock Identifier community.
Learn about Mineral (Refined Metal) in the encyclopedia
View all →
Green Aventurine
Silicon Dioxide with Fuchsite (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
metamorphic
Sunstone
Oligoclase (Plagioclase Feldspar), (Na,Ca)(Si,Al)4O8
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Specular Hematite
Hematite (Iron(III) oxide, Fe2O3)
mineral
Ironstone (likely Limonite or Goethite nodule)
Hydrothermally altered Ferric Hydroxide (FeO(OH)·nH2O)
sedimentary
Ironstone Concretions (Ironstone)
Ferruginous Sandstone or Siltstone (Fe2O3)
sedimentary
Gold Nugget
Native Gold (Au)
mineral
Moqui Marble (Iron Concretion)
Hematite/Goethite Concretion (Fe2O3 / FeO(OH))
sedimentary
Magnetite (Lodestone)
Iron(II,III) oxide (Fe3O4)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Hematite Nodular Concretion
Iron Oxide (Fe2O3)
mineral
Gold in Quartz Matrix
Gold (Au) embedded in Quartz (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite in Matrix
Iron Sulfide (FeS2) embedded in host rock
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Peacock Ore (Bornite or Iridescent Chalcopyrite)
Bornite (Cu5FeS4) or Acid-treated Chalcopyrite (CuFeS2)
mineral
Schorl (Black Tourmaline)
Sodium Iron Aluminum Borosilicate Hydroxide - NaFe2+3Al6(Si6O18)(BO3)3(OH)3OH
mineral
Shungite
Fullerene-bearing carbonaceous rock
mineral
Magnetite (Iron Ore)
Magnetite (Fe3O4)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Magnetite Sand (Black Sand)
Magnetite (Fe3O4)
mineral
Black Tourmaline (Schorl)
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Galena with Pyrite on Matrix
Lead(II) sulfide (PbS) with Iron disulfide (FeS2)
mineral
Black Tourmaline (Schorl)
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Magnetite / Ironstone Pebble
Magnetite (Fe3O4)
mineral
Gold Ore
Native Gold (Au)
mineral
Pyrite in Matrix
Iron Sulfide (FeS2)
mineral
Gold Placer (Gold Flakes and Nuggets)
Native Gold (Au)
mineral
Hematite
Ferric Oxide (Fe2O3)
mineral
Tiger's Eye, Hematite, and Black Obsidian Bracelet
SiO2 (Tiger's Eye), Fe2O3 (Hematite), and 70-75% SiO2 (Obsidian)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Goldstone
Aventurine Glass (Man-made)
mineral
Gold Nugget
Native Gold (Au)
mineral
Specular Hematite (Specularite)
Iron Oxide (Fe2O3)
mineral
Magnetite (Iron Ore)
Magnetite (Fe3O4)
mineral