Rock Identifier

Category

Mineral (Iron Ore)

Browse mineral (iron ore) specimens identified by the Rock Identifier community.

Learn about Mineral (Iron Ore) in the encyclopedia

Peacock Ore

Bog Iron

Banded Iron Formation

Banded Iron Formation

Ilmenite

Goethite

Chromite

Magnetite

Siderite

Limonite

Bornite

Hematite

Sperrylite

Ironstone Concretion (Ferruginous Concretion (Fe2O3·nH2O)) — sedimentary

Ironstone Concretion

Ferruginous Concretion (Fe2O3·nH2O)

Ironstone Concretion (Ironstone (Siderite/Limonite/Goethite)) — sedimentary

Ironstone Concretion

Ironstone (Siderite/Limonite/Goethite)

Banded Iron Formation (Banded Iron Formation (BIF)) — sedimentary

Banded Iron Formation

Banded Iron Formation (BIF)

Black Sand (Magnetite Sand) (Magnetite-rich Placers (Fe3O4)) — sedimentary

Black Sand (Magnetite Sand)

Magnetite-rich Placers (Fe3O4)

Specularite (Specular Hematite) (Iron Oxide (Fe2O3)) — mineral

Specularite (Specular Hematite)

Iron Oxide (Fe2O3)

Hematite (Iron(III) oxide (Fe2O3)) — mineral

Hematite

Iron(III) oxide (Fe2O3)

Laterite (Iron-rich bauxite or Gossan) (Ferricrete (Fe2O3·nH2O)) — sedimentary

Laterite (Iron-rich bauxite or Gossan)

Ferricrete (Fe2O3·nH2O)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Magnetite / Iron Ore (likely Hematite-Magnetite mix) (Magnetite (Fe3O4)) — mineral

Magnetite / Iron Ore (likely Hematite-Magnetite mix)

Magnetite (Fe3O4)

Magnetite-rich Iron Ore (Magnetite (Fe3O4)) — mineral

Magnetite-rich Iron Ore

Magnetite (Fe3O4)

Botryoidal Hematite (included in Quartz/Limonite matrix) (Fe2O3 (Hematite) on Quartz (SiO2) / Limonite) — mineral

Botryoidal Hematite (included in Quartz/Limonite matrix)

Fe2O3 (Hematite) on Quartz (SiO2) / Limonite

Magnetite Sand (Black Sand) (Magnetite (Fe3O4)) — mineral

Magnetite Sand (Black Sand)

Magnetite (Fe3O4)

Banded Iron Formation (Banded Iron Formation (BIF)) — sedimentary

Banded Iron Formation

Banded Iron Formation (BIF)

Specular Hematite (Specularite) (Iron Oxide (Fe2O3)) — mineral

Specular Hematite (Specularite)

Iron Oxide (Fe2O3)

Magnetite / Iron Ore (Magnetite (Fe3O4)) — mineral

Magnetite / Iron Ore

Magnetite (Fe3O4)

Auriferous Quartz (Gold-bearing Quartz) (Silicon Dioxide (SiO2) with trace Gold (Au) and Iron Oxides) — mineral

Auriferous Quartz (Gold-bearing Quartz)

Silicon Dioxide (SiO2) with trace Gold (Au) and Iron Oxides

Hematite (Iron Oxide (Fe2O3)) — mineral

Hematite

Iron Oxide (Fe2O3)

Pyrite (on Quartz/Host Rock) (Iron Sulfide (FeS₂)) — mineral

Pyrite (on Quartz/Host Rock)

Iron Sulfide (FeS₂)

Hematite (Iron(III) oxide (Fe2O3)) — mineral

Hematite

Iron(III) oxide (Fe2O3)

Hematite (Iron(III) oxide (Fe2O3)) — mineral

Hematite

Iron(III) oxide (Fe2O3)

Hematite (Iron(III) oxide (Fe2O3)) — mineral

Hematite

Iron(III) oxide (Fe2O3)

Sandstone with Iron Oxide (Limonite/Hematite) (Ferruginous Sandstone (SiO2 with FeO(OH)·nH2O)) — sedimentary

Sandstone with Iron Oxide (Limonite/Hematite)

Ferruginous Sandstone (SiO2 with FeO(OH)·nH2O)

Chrysocolla in Matrix (Hydrated copper phyllosilicate mineral (Cu,Al)2H2Si2O5(OH)4·nH2O) — mineral

Chrysocolla in Matrix

Hydrated copper phyllosilicate mineral (Cu,Al)2H2Si2O5(OH)4·nH2O

Specular Hematite (Specularite) (Iron(III) oxide (Fe2O3)) — mineral

Specular Hematite (Specularite)

Iron(III) oxide (Fe2O3)

Ironstone / limonitic iron ore (Goethite–hematite–limonite aggregate, chiefly FeO(OH) and Fe₂O₃·nH₂O) — mineral

Ironstone / limonitic iron ore

Goethite–hematite–limonite aggregate, chiefly FeO(OH) and Fe₂O₃·nH₂O

Ironstone / Limonite Concretion (Hydrated Iron Oxide Rock (FeO(OH)·nH2O with SiO2)) — sedimentary

Ironstone / Limonite Concretion

Hydrated Iron Oxide Rock (FeO(OH)·nH2O with SiO2)

Likely weathered iron-rich rock fragments (Probably limonite/goethite-bearing material (hydrated iron oxides; FeO(OH)·nH₂O), possibly with quartz or matrix rock) — mineral

Likely weathered iron-rich rock fragments

Probably limonite/goethite-bearing material (hydrated iron oxides; FeO(OH)·nH₂O), possibly with quartz or matrix rock

Banded iron formation (ironstone), likely hematite–magnetite-rich (Banded iron formation (BIF); chiefly hematite (Fe₂O₃), magnetite (Fe₃O₄), and quartz (SiO₂)) — metamorphic

Banded iron formation (ironstone), likely hematite–magnetite-rich

Banded iron formation (BIF); chiefly hematite (Fe₂O₃), magnetite (Fe₃O₄), and quartz (SiO₂)

Chrysocolla on Limonite Matrix (Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Chrysocolla) on FeO(OH)·nH2O (Limonite)) — mineral

Chrysocolla on Limonite Matrix

Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Chrysocolla) on FeO(OH)·nH2O (Limonite)

Magnetite (Magnetite (Fe3O4)) — mineral

Magnetite

Magnetite (Fe3O4)

Bornite (Peacock Ore) (Bornite (Copper iron sulfide - Cu5FeS4)) — mineral

Bornite (Peacock Ore)

Bornite (Copper iron sulfide - Cu5FeS4)

Iron-rich sandstone (Gozan/Ironstone) (Ferruginous Sandstone (clastic sedimentary rock)) — sedimentary

Iron-rich sandstone (Gozan/Ironstone)

Ferruginous Sandstone (clastic sedimentary rock)

Pyrite (Iron Pyrite (FeS2)) — mineral

Pyrite

Iron Pyrite (FeS2)

Weathered metallic-looking rock, possibly hematite-bearing ironstone (Hematite-rich ironstone; hematite Fe₂O₃, potentially with magnetite Fe₃O₄ and quartz) — mineral

Weathered metallic-looking rock, possibly hematite-bearing ironstone

Hematite-rich ironstone; hematite Fe₂O₃, potentially with magnetite Fe₃O₄ and quartz

Ironstone Concretions (Ironstone) (Ferruginous Sandstone or Siltstone (Fe2O3)) — sedimentary

Ironstone Concretions (Ironstone)

Ferruginous Sandstone or Siltstone (Fe2O3)

Ferruginous Sandstone (Iron-rich Clastic Sedimentary Rock) — sedimentary

Ferruginous Sandstone

Iron-rich Clastic Sedimentary Rock

Magnetite (Magnetite (Fe3O4)) — Mineral

Magnetite

Magnetite (Fe3O4)

Hematite (Iron Ore) (Hematite (Fe2O3)) — mineral

Hematite (Iron Ore)

Hematite (Fe2O3)

Goethite / Limonite Concretion (Iron Hydroxide Oxide (FeO(OH))) — sedimentary

Goethite / Limonite Concretion

Iron Hydroxide Oxide (FeO(OH))

Ironstone Concretion (Siderite or Limonite Concretion (FeCO3 or FeO(OH)·nH2O)) — sedimentary

Ironstone Concretion

Siderite or Limonite Concretion (FeCO3 or FeO(OH)·nH2O)

Limonite (Ochreous Sandstone) (Hydrous ferric oxides (FeO(OH)qnH2O)) — sedimentary

Limonite (Ochreous Sandstone)

Hydrous ferric oxides (FeO(OH)qnH2O)

Ferruginous Sandstone (with Iron Oxide staining) (Clastic Sedimentary Rock - Quartz Arenite/Wacke) — sedimentary

Ferruginous Sandstone (with Iron Oxide staining)

Clastic Sedimentary Rock - Quartz Arenite/Wacke