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

Magnetite (Magnetite (Fe3O4)) — mineral

Magnetite

Magnetite (Fe3O4)

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

Specular Hematite

Specularite (Iron(III) oxide, Fe2O3)

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

Hematite

Hematite (Iron(III) oxide, Fe2O3)

Ironstone concretion (Siderite or Limonite-rich Concretion (FeO(OH)·nH2O)) — sedimentary

Ironstone concretion

Siderite or Limonite-rich Concretion (FeO(OH)·nH2O)

Limonite Concretion (Goethite-Limonite (FeO(OH)·nH2O)) — sedimentary

Limonite Concretion

Goethite-Limonite (FeO(OH)·nH2O)

Limonite (Ironstone Concretion) (Limonite (Hydrous Ferric Oxides mixed with Goethite)) — sedimentary

Limonite (Ironstone Concretion)

Limonite (Hydrous Ferric Oxides mixed with Goethite)

Rainbow Hematite (Titanium Coated) (Iron(III) oxide (Fe2O3) with Titanium/Metal Oxide coating) — mineral

Rainbow Hematite (Titanium Coated)

Iron(III) oxide (Fe2O3) with Titanium/Metal Oxide coating

Gossan (Limonite/Goethite) (Hydrated iron oxides (primarily FeO(OH)·nH2O)) — mineral

Gossan (Limonite/Goethite)

Hydrated iron oxides (primarily FeO(OH)·nH2O)

Mixed Mineral Bead Bracelet (Polycrystalline and Monocrystalline Silicates/Oxides (Quartz, Howlite, Hematite)) — gemstone

Mixed Mineral Bead Bracelet

Polycrystalline and Monocrystalline Silicates/Oxides (Quartz, Howlite, Hematite)

Gold Ore (Auriferous Quartz and Sulfide Mineralization in Host Rock) — igneous

Gold Ore

Auriferous Quartz and Sulfide Mineralization in Host Rock

Pyrite (Fool's Gold) (Iron Disulfide (FeS2)) — mineral

Pyrite (Fool's Gold)

Iron Disulfide (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)

Stainless Steel (Polished) (Ferrous Alloy containing Iron (Fe), Chromium (Cr), and Carbon (C)) — Mineral equivalent / Metal Alloy

Stainless Steel (Polished)

Ferrous Alloy containing Iron (Fe), Chromium (Cr), and Carbon (C)

Mineral equivalent / Metal Alloy

Pyrite (on Quartz matrix) (Iron Disulfide (FeS2)) — mineral

Pyrite (on Quartz matrix)

Iron Disulfide (FeS2)

Rounded iron-rich pebble (Likely hematite/goethite-bearing quartzite or ironstone; exact identification requires testing) — mineral

Rounded iron-rich pebble

Likely hematite/goethite-bearing quartzite or ironstone; exact identification requires testing

Magnetite (Lodestone) (Magnetite (Fe3O4)) — mineral

Magnetite (Lodestone)

Magnetite (Fe3O4)

Bauxite (Aluminum ore / Hydrated aluminum oxides) — sedimentary

Bauxite

Aluminum ore / Hydrated aluminum oxides

Ironstone Concretion / Goethite-Hematite Geode (Goethite / Hematite Concretion (Fe3O4 / FeO(OH) / Fe2O3)) — sedimentary

Ironstone Concretion / Goethite-Hematite Geode

Goethite / Hematite Concretion (Fe3O4 / FeO(OH) / Fe2O3)

Black Sand (Magnetite/Heavy Mineral Concentrate) (Magnetite-rich Placers (Fe3O4)) — sedimentary

Black Sand (Magnetite/Heavy Mineral Concentrate)

Magnetite-rich Placers (Fe3O4)

Banded Iron Formation (Chert/Jasper) (Banded Iron Formation (BIF)) — sedimentary

Banded Iron Formation (Chert/Jasper)

Banded Iron Formation (BIF)

Limonitic Sandstone (Stained Sandstone) (Clastic Sedimentary Rock with Iron Oxide (Limonite/Goethite) staining) — sedimentary

Limonitic Sandstone (Stained Sandstone)

Clastic Sedimentary Rock with Iron Oxide (Limonite/Goethite) staining

Laterite (Laterite (Ferricrete / Alcrete)) — sedimentary

Laterite

Laterite (Ferricrete / Alcrete)

Bauxite (Aluminium ore / Hydrated aluminium oxides (AlOx(OH)3-2x)) — sedimentary

Bauxite

Aluminium ore / Hydrated aluminium oxides (AlOx(OH)3-2x)

Smelter Slag (Anthropogenic Silicate Slag) — igneous

Smelter Slag

Anthropogenic Silicate Slag

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

Banded Iron Formation

Banded Iron Formation (BIF)

Concretion (Siderite or Ironstone Concretion) — sedimentary

Concretion

Siderite or Ironstone Concretion

Pyrite Nodule (Iron Sulfide (FeS2)) — mineral

Pyrite Nodule

Iron Sulfide (FeS2)

Green copper-mineral specimen, likely chrysocolla or copper-bearing serpentine (Tentatively chrysocolla (hydrated copper phyllosilicate, approximately (Cu,Al)2H2Si2O5(OH)4·nH2O); exact identification requires testing) — mineral

Green copper-mineral specimen, likely chrysocolla or copper-bearing serpentine

Tentatively chrysocolla (hydrated copper phyllosilicate, approximately (Cu,Al)2H2Si2O5(OH)4·nH2O); exact identification requires testing

Banded Iron Formation (Banded Iron Formation (BIF)) — Sedimentary Rock

Banded Iron Formation

Banded Iron Formation (BIF)

Sedimentary Rock

Chalcopyrite in Quartz (Gold-bearing Ore) (CuFeS2 (Chalcopyrite)) — mineral

Chalcopyrite in Quartz (Gold-bearing Ore)

CuFeS2 (Chalcopyrite)

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

Auriferous Quartz or Pyritic Ore (Iron Pyrite (FeS2) or Native Gold (Au) in Matrix) — mineral

Auriferous Quartz or Pyritic Ore

Iron Pyrite (FeS2) or Native Gold (Au) in Matrix

Tiger iron slab (likely polished banded iron formation) (Banded iron formation (BIF), chiefly hematite/magnetite, quartz, and iron-rich amphibole or jasper) — metamorphic

Tiger iron slab (likely polished banded iron formation)

Banded iron formation (BIF), chiefly hematite/magnetite, quartz, and iron-rich amphibole or jasper

Pyrite in Matrix (Gold-colored Chalcopyrite or Pyrite) (Iron Sulfide (FeS2) / Copper Iron Sulfide (CuFeS2)) — mineral

Pyrite in Matrix (Gold-colored Chalcopyrite or Pyrite)

Iron Sulfide (FeS2) / Copper Iron Sulfide (CuFeS2)

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

Hematite

Iron(III) oxide (Fe2O3)

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

Hematite (Tumbled)

Iron(III) oxide (Fe2O3)

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

Hematite

Iron(III) oxide (Fe2O3)

Pyrite (on the right) and Magnetite or Hematite (on the left) (Iron Sulfide (FeS2) and Iron Oxide (Fe3O4 or Fe2O3)) — mineral

Pyrite (on the right) and Magnetite or Hematite (on the left)

Iron Sulfide (FeS2) and Iron Oxide (Fe3O4 or Fe2O3)

Magnetite (Magnetite (Fe3O4)) — mineral

Magnetite

Magnetite (Fe3O4)

Magnetite (Magnetite (Fe3O4)) — mineral

Magnetite

Magnetite (Fe3O4)