Hematite
Iron(III) oxide (Fe2O3)
Category
Browse mineral, specifically an iron ore specimens identified by the Rock Identifier community.
Hematite
Iron(III) oxide (Fe2O3)
Specular Hematite
Hematite (Fe2O3)
Ocean Jasper
Silicon Dioxide (SiO2) with iron and other mineral inclusions
Blue Sapphire
Corundum (Al2O3 with trace amounts of iron and titanium)
Sandstone (Ferruginous)
Arenite with Iron Oxide staining (Fe2O3)
Citrine
Citrine (Silicon Dioxide, SiO2)
Red Hematite
Iron(III) oxide (Fe2O3)
Likely iron-rich rock or weathered metallic mineral fragment
Uncertain; possibly limonite/goethite or iron-bearing slag
Moqui Marble (Shaman Stone)
Ironstone Concretion (Iron oxide Fe2O3 and FeO(OH))
Limonite (Iron Ore)
Limonite (an FeO(OH)·nH2O mineraloid, not a true mineral due to variable composition)
Limonite (Yellow Ochre)
Hydrated iron(III) oxide-hydroxide (FeO(OH)·nH2O)
Red Jasper
Microcrystalline Quartz (SiO2) with iron oxide inclusions
Orange Calcite
Calcium Carbonate (CaCO3)
Limonite / Brown Iron Ore
Hydrous Iron Oxide (FeO(OH)·nH2O)
Ironstone / limonite-rich rock
Limonite, chiefly hydrated iron oxides (FeO(OH)·nH₂O), commonly mixed with goethite and hematite
Red Jasper (with Quartz)
Silicon Dioxide (SiO2) with Hematite inclusions
Limonite (Ironstone)
Limonite (FeO(OH)·nH2O)
Limonite (Iron Ore Congcretion)
Limonite (a mixture of hydrated iron(III) oxide-hydroxides, FeO(OH)·nH2O)
Goethite
Goethite (FeO(OH))
Tumbled Hematite
Hematite (Fe2O3)
Quartz Vein in Host Rock (Gossanous Matrtix)
Silicon Dioxide (SiO2) with iron oxides (Limonite/Hematite)
Amethyst and Smoky Quartz (Tumbled)
Silicon Dioxide (SiO2) with trace impurities iron (Amethyst) and aluminum/radiation (Smoky Quartz)
Leopard Skin Jasper
Orbicular Jasper (Silicon Dioxide, SiO2)
Carnelian
Carnelian Chalcedony (SiO2 with Iron Oxide impurities)
Hematite
Iron(III) oxide (Fe2O3)
Limonite Concretion
Limonite (FeO(OH)·nH2O)
Yellow Quartz (Citrine or Iron-Stained Quartz)
Silicon Dioxide (SiO2)
Rose Quartz
Silicon dioxide / Quartz (SiO2)
Limonite (Iron Ore)
Hydrated ferric oxide (FeO(OH)·nH2O)
Limonite (Iron Stone/Gossen)
Limonite (FeO(OH)·nH2O)
Hematite
Iron(III) oxide (Fe2O3)
Iron (Hematite variety)
Iron (Fe) / Hematite (Fe2O3)
Likely weathered iron-rich rock or slag fragment
Uncertain; possibly limonite/goethite-rich material (FeO(OH)·nH₂O)
Limonite/Goethite on Shale
Hydrous ferric oxides (FeO(OH)·nH2O) often associated with argillaceous rock
Ferruginous Quartz
Quartz (Silicon Dioxide) with Iron Inclusion, SiO2
Chalcopyrite
Copper iron sulfide (CuFeS2)
Limonite / Ironstone Concretion
Hydrated Iron Oxide (FeO(OH)%C2%B7nH2O)
Limonite (Iron Ore)
Limonite (FeO(OH)·nH2O)
Jasper (Yellow Jasper)
Silicon Dioxide (SiO2) with iron inclusions
Limonite (Iron Ore/Hydrated Iron Oxide)
Limonite (mixture of FeO(OH)·nH₂O minerals, mainly Goethite, FeO(OH) and Lepidocrocite, FeO(OH))
Bauxite
Bauxite (mixture of Hydrous Aluminum Oxides)
Himalayan Pink Salt (Halite)
Halite (Sodium Chloride, NaCl)