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

Limonite (Iron Ore) (FeO(OH)·nH2O (Hydrated iron(III) oxide-hydroxide mixture)) — mineral

Limonite (Iron Ore)

FeO(OH)·nH2O (Hydrated iron(III) oxide-hydroxide mixture)

Pyrite-rich Gossan (Iron Sulfide (FeS2) in Ore Matrix) — mineral

Pyrite-rich Gossan

Iron Sulfide (FeS2) in Ore Matrix

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

Hematite (Iron Ore)

Iron(III) oxide (Fe2O3)

Polished dark mineral fragments, likely hematite or magnetite (Hematite (Fe₂O₃) or magnetite (Fe₃O₄)) — mineral

Polished dark mineral fragments, likely hematite or magnetite

Hematite (Fe₂O₃) or magnetite (Fe₃O₄)

Polished hematite sphere (Hematite (Fe₂O₃), likely a polished specular or massive variety) — mineral

Polished hematite sphere

Hematite (Fe₂O₃), likely a polished specular or massive variety

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

Hematite (Iron Ore)

Hematite (Fe2O3)

Iron-rich rock or weathered metallic mineral specimen (Uncertain; possibly limonite/goethite with iron oxides, or a metallic sulfide such as pyrite/chalcopyrite) — mineral

Iron-rich rock or weathered metallic mineral specimen

Uncertain; possibly limonite/goethite with iron oxides, or a metallic sulfide such as pyrite/chalcopyrite

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

Hematite

Iron(III) oxide (Fe2O3)

Iron-rich breccia (likely hematite–goethite breccia) (Hematite (Fe₂O₃) and goethite (FeO(OH)) in a silicified or iron-cemented breccia) — sedimentary

Iron-rich breccia (likely hematite–goethite breccia)

Hematite (Fe₂O₃) and goethite (FeO(OH)) in a silicified or iron-cemented breccia

Limonite (Iron Ore) (Hydrous ferric oxides (FeO(OH)·nH2O)) — sedimentary

Limonite (Iron Ore)

Hydrous ferric oxides (FeO(OH)·nH2O)

Limonite (FeO(OH)·nH2O) — mineral

Limonite

FeO(OH)·nH2O

Hematite (Hematite (Fe2O3)) — mineral

Hematite

Hematite (Fe2O3)

Specular Hematite (Specularite) (Hematite (Alpha-Fe2O3)) — mineral

Specular Hematite (Specularite)

Hematite (Alpha-Fe2O3)

Limonite (Iron Ore) (Limonite (FeO(OH)·nH2O)) — mineral

Limonite (Iron Ore)

Limonite (FeO(OH)·nH2O)

Magnetite (Magnetite (Fe3O4)) — mineral

Magnetite

Magnetite (Fe3O4)

Bog Iron (Limonite) (Limonite (Hydrated iron(III) oxide-hydroxide, FeO(OH)·nH2O)) — sedimentary

Bog Iron (Limonite)

Limonite (Hydrated iron(III) oxide-hydroxide, FeO(OH)·nH2O)

Ironstone (likely Limonite or Goethite nodule) (Hydrothermally altered Ferric Hydroxide (FeO(OH)·nH2O)) — sedimentary

Ironstone (likely Limonite or Goethite nodule)

Hydrothermally altered Ferric Hydroxide (FeO(OH)·nH2O)

Limonite (Ochreous) (FeO(OH)·nH2O (Hydrated Iron Oxide)) — mineral

Limonite (Ochreous)

FeO(OH)·nH2O (Hydrated Iron Oxide)

Limonite (Iron Ore) (Limonite (FeO(OH)·nH2O)) — mineral

Limonite (Iron Ore)

Limonite (FeO(OH)·nH2O)

Limonite (Iron Ore) (Hydrated iron(III) oxide-hydroxide (FeO(OH)·nH2O)) — mineral

Limonite (Iron Ore)

Hydrated iron(III) oxide-hydroxide (FeO(OH)·nH2O)

Specular Hematite (Specularite) in Matrix (Specularite (Fe2O3)) — mineral

Specular Hematite (Specularite) in Matrix

Specularite (Fe2O3)

Tumbled hematite (likely hematite-rich ironstone) (Hematite, Fe₂O₃; possibly mixed with magnetite or goethite) — mineral

Tumbled hematite (likely hematite-rich ironstone)

Hematite, Fe₂O₃; possibly mixed with magnetite or goethite

Limonite (Iron Stone/Goethite) (Limonite (mixture of hydrated iron oxides, primarily Goethite: α-FeO(OH))) — mineral

Limonite (Iron Stone/Goethite)

Limonite (mixture of hydrated iron oxides, primarily Goethite: α-FeO(OH))

Limonite with Hematite (Hydrated Iron(III) Oxide-Hydroxide (FeO(OH)·nH2O)) — mineral

Limonite with Hematite

Hydrated Iron(III) Oxide-Hydroxide (FeO(OH)·nH2O)

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

Ironstone / Hematite

Iron(III) oxide (Fe2O3)

Magnetite / Iron-Rich Basalt (Magnetite bearing Mafic Rock (Fe3O4)) — igneous

Magnetite / Iron-Rich Basalt

Magnetite bearing Mafic Rock (Fe3O4)

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

Hematite

Iron(III) oxide (Fe2O3)

Weathered iron-rich rock, likely limonite/goethite-bearing basalt or ironstone (Limonite (hydrated iron oxides; chiefly goethite, FeO(OH)) with probable silicate host rock) — mineral

Weathered iron-rich rock, likely limonite/goethite-bearing basalt or ironstone

Limonite (hydrated iron oxides; chiefly goethite, FeO(OH)) with probable silicate host rock

Limonite (Iron Ore) (FeO(OH)·nH2O) — mineral

Limonite (Iron Ore)

FeO(OH)·nH2O

Limonite Geode / Ironstone Concretion (Hydrated Iron Oxide (FeO(OH)·nH2O)) — sedimentary

Limonite Geode / Ironstone Concretion

Hydrated Iron Oxide (FeO(OH)·nH2O)

Ironstone Concretion (Ironstone (Limonite/Goethite/Hematite mixture)) — sedimentary

Ironstone Concretion

Ironstone (Limonite/Goethite/Hematite mixture)

Hematite (Hematite (Fe2O3)) — mineral

Hematite

Hematite (Fe2O3)

Yellow Ochre (Goethite-rich clay (Hydrated Iron Oxide: FeO(OH)·nH₂O)) — mineral

Yellow Ochre

Goethite-rich clay (Hydrated Iron Oxide: FeO(OH)·nH₂O)

Chalcopyrite (Copper Iron Sulfide (CuFeS2)) — mineral

Chalcopyrite

Copper Iron Sulfide (CuFeS2)

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

Hematite

Iron(III) oxide (Fe2O3)

Polished hematite bead necklace (Hematite (iron(III) oxide, Fe₂O₃), likely polished beads) — mineral

Polished hematite bead necklace

Hematite (iron(III) oxide, Fe₂O₃), likely polished beads

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

Red Hematite

Iron(III) oxide (Fe2O3)

Quartz Vein in Host Rock (Gossanous Matrtix) (Silicon Dioxide (SiO2) with iron oxides (Limonite/Hematite)) — mineral

Quartz Vein in Host Rock (Gossanous Matrtix)

Silicon Dioxide (SiO2) with iron oxides (Limonite/Hematite)

Likely iron-rich rock or weathered metallic mineral fragment (Uncertain; possibly limonite/goethite or iron-bearing slag) — mineral

Likely iron-rich rock or weathered metallic mineral fragment

Uncertain; possibly limonite/goethite or iron-bearing slag

Limonite with Ironstone (Limonite (hydrated iron(III) oxide-hydroxides), FeO(OH)·nH2O) — mineral

Limonite with Ironstone

Limonite (hydrated iron(III) oxide-hydroxides), FeO(OH)·nH2O

Limonite / Brown Iron Ore (Hydrous Iron Oxide (FeO(OH)·nH2O)) — mineral

Limonite / Brown Iron Ore

Hydrous Iron Oxide (FeO(OH)·nH2O)

Specular Hematite (Hematite (Fe2O3)) — mineral

Specular Hematite

Hematite (Fe2O3)