Hematite
Iron(III) oxide (Fe2O3)
Category
Browse metal (elemental mineral) specimens identified by the Rock Identifier community.
Hematite
Iron(III) oxide (Fe2O3)
Pyrite
Iron Sulfide (FeS2)
Galena
Lead(II) sulfide (PbS)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Black Tourmaline
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
Hematite
Iron(III) oxide (Fe2O3)
Pyrite
Iron Sulfide (FeS2)
Pyrite
Iron Disulfide (FeS2)
Hematite
Iron(III) oxide (Fe2O3)
Magnetite
Magnetite (Fe3O4)
Silver (Native Silver Mineral)
Ag (Native Silver), Alloyed 90% Ag / 10% Cu
Turquoise (with Hematite)
CuAl6(PO4)4(OH)8·4H2O
Magnetite (Lodestone)
Magnetite (Fe3O4)
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
Pyrite in Matrix (Fool's Gold)
Iron Disulfide (FeS2)
Pyrite in Matrix (Fool's Gold)
Iron Sulfide (FeS2)
Goldstone (with Tiger's Eye and Quartz)
Aventurine glass (Synthetic SiO2 with Cu inclusions)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Schorl (Black Tourmaline) in Quartz and Feldspar
NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
Schorl (Black Tourmaline)
Sodium Iron Aluminum Borosilicate (NaFe3Al6(BO3)3Si6O18(OH)4)
Gold Ore in Quartz
Auriferous Quartz (SiO2 with Au inclusions)
Gold Nugget
Native Gold (Au)
Pyrite
Iron Sulfide (FeS2)
Pyrite (Iron Pyrite)
Iron Disulfide (FeS2)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Pyrite
Iron Sulfide (FeS2)
Iron Meteorite
Siderite (Iron-Nickel Meteorite)
Gold Nugget
Native Gold (Au)
Limonite (also known as Yellow Ochre or Brown Hematite)
Limonite (Hydrated iron oxide-hydroxide, FeO(OH)·nH2O)
Magnetite
Magnetite (Fe3O4)
Gold Nugget
Native Gold (Au)
Gold
Gold (Au)
Gold (Placer Gold Nuggets)
Native Gold (Au)
Specular Hematite (Specularite)
Iron Oxide (Fe2O3)
Botryoidal Hematite (included in Quartz/Limonite matrix)
Fe2O3 (Hematite) on Quartz (SiO2) / Limonite
Hematite
Iron (III) Oxide (Fe2O3)
Native Copper in Basalt
Cuprum (with Host Basalt)
Mica Schist
Mica Schist
Pyrite
Iron Sulfide (FeS2)
Gold Nugget
Native Gold (Au)
Pyrite (Iron Pyrite)
Iron Sulfide (FeS2)
Black Tourmaline (Schorl)
Sodium Iron Aluminum Borate Silicate (NaFe3Al6(BO3)3Si6O18(OH)4)