Hematite
Iron(III) oxide (Fe2O3)
mineral
Category
Mineral (Iron Ore)
Browse mineral (iron ore) specimens identified by the Rock Identifier community.
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Hematite
Iron(III) oxide (Fe2O3)
mineral
Specular Hematite
Specularite (Iron Oxide, Fe2O3)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Chalcopyrite
Copper Iron Sulfide (CuFeS2)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Iron Slag (Industrial Byproduct)
Anthropogenic pyrometallurgical residue
mineral
Stainless Steel Spoon
Iron-Chromium Alloy (Fe + Cr + Ni)
mineral-based human-made alloy
Limonitic ironstone / weathered iron-rich rock
Goethite–limonite aggregate; principally FeO(OH)·nH₂O with possible hematite (Fe₂O₃)
mineral
Ironstone (likely siderite or goethite-rich siltstone)
Ferruginous Siltstone
sedimentary
Hematite (Botryoidal)
Hematite (Fe2O3)
mineral
Hematite
Hematite (Fe2O3)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Magnetite (potentially Hematite-rich)
Magnetite (Fe3O4)
mineral
Hematite
Hematite (Fe2O3)
mineral
Ferruginous Sandstone
Ferruginous Sandstone (Quartz Arenite with Iron Oxide cement)
sedimentary
Iron-rich laterite or weathered ironstone
Ferricrete/limonite-rich ironstone; primarily goethite (FeO(OH)) and hematite (Fe₂O₃), with clay minerals
sedimentary
Hematite
Iron (III) oxide (Fe2O3)
mineral
Rainbow Hematite (Titanium-Coated Hematite)
Titanium-treated Hematite (Fe2O3)
mineral
Hematite
Iron Oxide (Fe2O3)
mineral
Ironstone Concretion
Siderite or Hematite Concretion (FeCO3 or Fe2O3)
sedimentary
Specular Hematite (Specularite)
Iron Oxide (Fe2O3)
mineral
Magnetite-rich ironstone (probable magnetite ore)
Magnetite, Fe₃O₄, likely in a fine-grained ironstone matrix
mineral
Magnetite (Lodestone variety)
Magnetite (Fe3O4)
mineral
Chrysocolla
Hydrated copper silicate (Cu,Al)2H2Si2O5(OH)4·n(H2O)
mineral
Pyrite in Matrix
Iron Disulfide (FeS2)
mineral
Ferruginous Sandstone
Arenite with Iron Oxide cement (primarily Fe2O3)
sedimentary
Magnetite-rich Basalt
Basalt containing Fe3O4
igneous
Hematite
Iron(III) oxide (Fe2O3)
mineral
Pyrite and Chalcopyrite in Fluorite Matrix
Calcium Fluoride (CaF2) with Iron Sulfide (FeS2)
mineral
Limonite
Limonite (Hydrated iron(III) oxide-hydroxide) FeO(OH)·nH2O
mineral
Ironstone (Limonitic Concretion)
Limonite (FeO(OH)·nH2O) with Goethite and Hematite inclusions
sedimentary
Tumbled or cut iron-rich mineral specimen
Likely limonite/goethite (hydrated iron oxides), possibly weathered hematite
mineral
Pyrite
Iron sulfide (FeS2)
mineral
Weathered iron-rich rock, likely limonite/goethite-bearing material
Limonite (hydrated iron oxides; commonly goethite, FeO(OH), with hematite and clay)
mineral
Iron-rich sulfide ore, likely pyrite-bearing gossan
Pyrite (FeS₂), possibly mixed with iron oxides/hydroxides and other sulfides
mineral
Gossan (Iron Hat) with Quartz and Chlorite
Limonite/Goethite-rich Gossan (FeO(OH)·nH2O) with inclusions of Quartz and Chlorite
Mineral/Metamorphic Substrate
Hematite
Iron(III) oxide (Fe2O3)
mineral
Ironstone Concretion
Siderite or Hematite-rich Concretion (FeCO3 / Fe2O3)
sedimentary
Ironstone
Ferruginous Sedimentary Rock (composed of Goethite, Hematite, and Limonite)
sedimentary
Magnetite (Iron Ore)
Magnetite (Fe3O4)
mineral
Magnetite (Lodestone variety)
Magnetite (Iron(II,III) oxide, Fe3O4)
mineral