Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Category
Browse mineral (refined metal) specimens identified by the Rock Identifier community.
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Fluorite
Calcium Fluoride (CaF2)
Chalcopyrite in Quartz (Gossan/Iron Hat)
CuFeS2 (Chalcopyrite) with SiO2 (Quartz)
Healer's Gold (Pyrite and Magnetite in Schist)
Magnetite (Fe3O4) and Pyrite (FeS2) in Mica Schist
Green Aventurine
Silicon dioxide (SiO2) with inclusions of Fuchsite
Bismuth
Bismuth (element Bi) with oxidized thin-film interference layer
Pyrite
Iron Sulfide (FeS2)
Pyrite
Iron Sulfide (FeS2)
Specular Hematite
Hematite (Fe2O3)
Gold
Gold (Native Element); Au
Pyrite
Iron Sulfide (FeS2)
Gold Nugget
Native Gold (Au)
Gold Nugget
Native Gold (Au)
Gold Nugget
Native Gold (Au)
Gold Nugget
Native Gold (Au)
Gold
Native Gold (Au)
Limonite (Ironstone)
Limonite (mixture of hydrated iron oxides, primarily Goethite α-FeO(OH))
Gold Nugget
Native Gold (Au)
Hematite Nodule
Hematite (Fe2O3)
Silver (Native Element)
Ag (Native Silver), with minor Copper (Cu)
Gold Nugget
Native Gold (Au)
Silicon Carbide (Carborundum)
Silicon Carbide (SiC) / Moissanite (natural)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Moissanite
Silicon Carbide (SiC)
Hematite
Hematite, Iron(III) oxide (Fe2O3)
Pyrite (locally known as Fool's Gold)
Iron Sulfide (FeS2)
Pyrite
Iron Disulfide (FeS2)
Specular Hematite
Specularite (Iron Oxide, Fe2O3)
Iridium sand or Osmium-Iridium nugget
Iridosmine / Osmiridium (Platinoid grouping)
Gold and Cubic Zirconia (San Judas Tadeo Pendant)
Native Gold (Au) with Synthetic Cubic Zirconia (ZrO2)
Red Hematite (Banded Iron Formation)
Hematite (Fe2O3)
Pyrite
Iron Sulfide (FeS2)
Ironstone (likely Limonite or Goethite nodule)
Hydrothermally altered Ferric Hydroxide (FeO(OH)·nH2O)
Ironstone Concretions (Ironstone)
Ferruginous Sandstone or Siltstone (Fe2O3)
Gold Nugget
Native Gold (Au)
Pyrite
Iron Disulfide (FeS2)
Gold Ore
Native Gold (Au)
Goldstone
Aventurine Glass (Man-made)
Gold Placer (Gold Flakes and Nuggets)
Native Gold (Au)
Specular Hematite (Specularite)
Iron Oxide (Fe2O3)
Magnetite (Iron Ore)
Magnetite (Fe3O4)