Galena with Pyrite
Lead Sulfide (PbS) associated with Iron Sulfide (FeS2)
mineral
Category
Metal (Elemental Mineral)
Browse metal (elemental mineral) specimens identified by the Rock Identifier community.
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Pyrite in Matrix (Gold-colored Chalcopyrite or Pyrite)
Iron Sulfide (FeS2) / Copper Iron Sulfide (CuFeS2)
mineral
Limonite (Ironstone Concretion)
Hydrous ferric oxides (FeO(OH)·nH2O)
mineral
Pyrite in Quartz Matrix
Iron Sulfide (FeS2) embedded in Silicon Dioxide (SiO2)
mineral
Green Fluorite
Calcium Fluoride (CaF2)
mineral
Quartz Vein in Basalt or Slate
Hydrothermal quartz vein traversing mafic host rock
metamorphic
Kunzite
Spodumene (LiAlSi2O6), variety Kunzite
Mineral
Specular Hematite
Iron(III) oxide (Fe2O3)
mineral
Gold Nugget / Native Gold
Native Gold (Au)
mineral
Bauxite
Bauxite (Al(OH)3, AlO(OH))
sedimentary
Tumbled Hematite
Hematite (Alpha-Fe2O3)
mineral
Gold Nugget Cluster
Native Gold (Au)
mineral
Gold
Native Gold (Au)
mineral
Gold Nugget
Native Gold (Au)
mineral
Specular Hematite (Iron Ore)
Iron(III) oxide (Fe2O3)
mineral
Gold Grain
Native Gold (Au)
mineral
Gold Nugget
Native Gold (Au)
mineral
Gold-bearing Quartz
Native Gold (Au) in Quartz (SiO2) matrix
mineral
Blue Goldstone
Man-made glass with crystalline copper/cobalt inclusions
mineral
Hematite
Hematite (Α-Fe2O3)
mineral
Turquoise and Hematite
Turquoise (CuAl6(PO4)4(OH)8·4H2O) and Hematite (Fe2O3)
mineral
Gold in Matrix
Native Gold (Au)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Cupronickel (on a 1981 Mexico 20 Pesos coin)
Copper-Nickel Alloy (Cu75Ni25)
mineral
Galena
Lead Sulfide (PbS)
mineral
Magnetite or Ironstone Nodule
Magnetite (Fe3O4) or Hematite-rich Sedimentary Nodule
mineral
Hematite
Hematite (Fe2O3)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Green Aventurine
Quartz with Fuchsite inclusions (SiO2)
mineral
Hematite
Hematite (Fe2O3)
mineral
Magnetite / Lodestone
Magnetite (Fe3O4)
mineral
Purple Turquoise (Composite Mojave Turquoise)
CuAl6(PO4)4(OH)8·4H2O (Hydrated copper aluminum phosphate composite)
mineral
Tumbled Hematite
Iron(III) oxide (Fe2O3)
mineral
Sunstone
Plagioclase feldspar (with Copper or Hematite inclusions)
mineral
Moonstone with Black Tourmaline
Orthoclase (KAlSi3O8) with Schorl inclusions (NaFe3Al6(BO3)3Si6O18(OH)4)
mineral
Galena
Lead(II) sulfide (PbS)
mineral
Graphite
Carbon (C)
mineral
Bauxite
Bauxite (Mixture of Al(OH)3, AlO(OH), and Fe2O3)
sedimentary
Chalcopyrite
Chalcopyrite (CuFeS2)
mineral
Hematite Nodules (Moqui Marbles style)
Iron Oxide (Fe2O3)
mineral
Limonite (Iron Ore)
Hydrated Iron(III) Oxide-Hydroxide (FeO(OH)·nH2O)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral