Specular Hematite and Magnetite Ore
Iron Oxide (Fe2O3 and Fe3O4)
mineral
Category
Anthropic Metallic Specimen
Browse anthropic metallic specimen specimens identified by the Rock Identifier community.
Blue metallic mineral specimen, possibly bornite or chalcopyrite
Bornite (Cu₅FeS₄) or chalcopyrite (CuFeS₂); exact identification requires testing
mineral
Pyrite in Matrix
Iron Sulfide (FeS2)
mineral
Native bismuth
Bismuth (Bi), commonly with a naturally oxidized surface
mineral
Gold-bearing Quartz Ore
Auriferous Quartz (SiO2 with Au)
mineral
Native Gold in Quartz Host
Hydrothermal Gold (Au) in Quartz (SiO2)
mineral
Auriferous Quartz with Pyrite
Gold-bearing Quartz (SiO2 + FeS2 + Au)
mineral
Pyrite (Fool's Gold) in Matrix
Iron Disulfide (FeS2)
mineral
Specular Hematite (Specularite)
Iron Oxide (Fe2O3)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Labradorite
(Ca, Na)(Al, Si)4O8 (Plagioclase Feldspar)
mineral
Labradorite
(Ca, Na)(Al, Si)4O8 (Plagioclase Feldspar)
mineral
Labradorite
(Ca, Na)(Al, Si)4O8
mineral
Epithermal Gold Ore (in Quartz/Rhyolite matrix)
Auriferous Quartz (Au + SiO2)
mineral
Copper Ore with Malachite and Chalcocite
Copper-bearing Mineral Assemblage (Cu2CO3(OH)2 + Cu2S)
mineral
Gold-bearing Quartz (Auriferous Quartz)
Quartz (SiO2) with native Gold (Au) inclusions
mineral
Pyrite-bearing metamorphic rock (likely schist or quartzite)
Mica/quartz-rich metamorphic matrix with pyrite (FeS₂), possibly chalcopyrite (CuFeS₂)
metamorphic
Gold Grain
Native Gold (Au)
mineral
Iron Meteorite
Siderite (Iron-Nickel Alloy), predominantly Kamacite and Taenite (Fe, Ni)
mineral
Gold Nugget / Placer Gold
Native Gold (Au)
mineral
Likely raw chalcopyrite or bornite specimen
Chalcopyrite (CuFeS₂), possibly bornite (Cu₅FeS₄)
mineral
Gold Ore
Native Gold (Au) in Matrix
mineral
Pyrite in Matrix (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Quartz with Pyrite and Lichen
Silicon Dioxide (SiO2) with Iron Sulfide (FeS2)
mineral
Silver (Morgan Dollar)
Native Silver (Ag) - 90% Silver, 10% Copper alloy
mineral
Ironstone / Weathered Hematite
Iron oxide-rich sedimentary rock with Goethite/Hematite
sedimentary
Fluorite and Mineral Collection
Calcium Fluoride (CaF2)
mineral
Hypersthene
Enstatite (Hypersthene variety), (Mg,Fe)SiO3
mineral
Gold Ore in Quartz
Native Gold (Au) in Quartz (SiO2)
mineral
Copper-bearing Basalt with Epidote and Quartz
Native copper in basalt amygdaloidal matrix
igneous
Pyrite (Iron Pyrite)
Iron Sulfide (FeS2)
mineral
Silver (Jewelry Specimen)
Native Silver (Ag)
Mineral (Native Element)
Magnetite (potentially Hematite-rich)
Magnetite (Fe3O4)
mineral
Peacock ore (likely chalcopyrite)
Iridescent tarnished chalcopyrite, CuFeS₂; sometimes marketed as bornite, Cu₅FeS₄
mineral
Hematite Pebble
Hematite (Fe2O3)
mineral
Specular Hematite (Specularite)
Iron Oxide (Fe2O3)
mineral
Gold in Quartz
Hydrothermal Quartz with Native Gold (SiO2 with Au)
mineral
Metallic iron meteorite (probable)
Iron meteorite, typically kamacite–taenite (Fe–Ni alloy)
meteorite
Pyrite and Calcite (or Barite) Specimen
Iron Sulfide (FeS2) with Calcium Carbonate (CaCO3)
mineral
Magnetite (Iron Ore)
Magnetite (Fe3O4)
mineral
Gold Nugget
Native Gold (Au)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral