Rock Identifier

Category

Mineral, Specifically An Iron Ore

Browse mineral, specifically an iron ore specimens identified by the Rock Identifier community.

Learn about Mineral, Specifically An Iron Ore in the encyclopedia

Peacock Ore

Bog Iron

Tiger Iron

Banded Iron Formation

Banded Iron Formation

Ilmenite

Goethite

Chromite

Magnetite

Siderite

Limonite

Bornite

Hematite

Milky Quartz with Iron Inclusions (Silicon Dioxide (SiO2)) — mineral

Milky Quartz with Iron Inclusions

Silicon Dioxide (SiO2)

Limonite Concretion (Limonite (FeO·nH2O)) — mineral

Limonite Concretion

Limonite (FeO·nH2O)

Orange Quartz (Silicon Dioxide (SiO2) with iron oxide inclusions) — mineral

Orange Quartz

Silicon Dioxide (SiO2) with iron oxide inclusions

Fluorite (specifically Rainbow Fluorite or Purple Fluorite) (Calcium Fluoride (CaF2)) — mineral

Fluorite (specifically Rainbow Fluorite or Purple Fluorite)

Calcium Fluoride (CaF2)

Weathered iron-rich rock, likely limonite/goethite-bearing sandstone or laterite (Hydrated iron oxides, chiefly limonite (FeO(OH)·nH₂O) and goethite (α-FeO(OH)), possibly cementing sandstone) — sedimentary

Weathered iron-rich rock, likely limonite/goethite-bearing sandstone or laterite

Hydrated iron oxides, chiefly limonite (FeO(OH)·nH₂O) and goethite (α-FeO(OH)), possibly cementing sandstone

Hematite (likely Botryoidal or Specularite variant) (Iron(III) oxide (Fe2O3)) — mineral

Hematite (likely Botryoidal or Specularite variant)

Iron(III) oxide (Fe2O3)

Yellow Ochre (Limonite) (Limonite (FeO(OH)wH2O)) — sedimentary

Yellow Ochre (Limonite)

Limonite (FeO(OH)wH2O)

Banded iron formation fragment (likely hematite–magnetite ironstone) (BIF; chiefly hematite (Fe₂O₃), magnetite (Fe₃O₄), and silica as microcrystalline quartz (SiO₂)) — sedimentary

Banded iron formation fragment (likely hematite–magnetite ironstone)

BIF; chiefly hematite (Fe₂O₃), magnetite (Fe₃O₄), and silica as microcrystalline quartz (SiO₂)

Specularite in Quartz (Specular Hematite (Fe2O3) in Quartz (SiO2)) — mineral

Specularite in Quartz

Specular Hematite (Fe2O3) in Quartz (SiO2)

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

Ironstone Concretion

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

Botryoidal hematite (iron-oxide specimen) (Hematite, Fe₂O₃; possibly mixed with goethite/limonite) — mineral

Botryoidal hematite (iron-oxide specimen)

Hematite, Fe₂O₃; possibly mixed with goethite/limonite

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

Limonite Geode (Ironstone Concretion)

FeO(OH)·nH2O (Hydrated Iron Oxide)

Limonitic Iron Ore / Goethite (Hydrated Iron(III) oxide-hydroxide (primarily FeO(OH)·nH2O)) — sedimentary

Limonitic Iron Ore / Goethite

Hydrated Iron(III) oxide-hydroxide (primarily FeO(OH)·nH2O)

Ironstone (Limonite/Hematite concretion) (Ferruginous Siltstone / Goethite (FeO(OH))) — sedimentary

Ironstone (Limonite/Hematite concretion)

Ferruginous Siltstone / Goethite (FeO(OH))

Ferruginous Quartz (Iron-stained Quartz) (Quartz with Iron Oxide inclusions (SiO2 with Fe2O3)) — mineral

Ferruginous Quartz (Iron-stained Quartz)

Quartz with Iron Oxide inclusions (SiO2 with Fe2O3)

Ferruginous Sandstone (Gozzan) (Iron-rich clastic sedimentary rock with Limonite/Goethite) — sedimentary

Ferruginous Sandstone (Gozzan)

Iron-rich clastic sedimentary rock with Limonite/Goethite

Limonite and Hematite Gossan (Hydrated Iron Oxide Mix (FeO(OH)·nH2O) / Ferric oxide (Fe2O3)) — mineral

Limonite and Hematite Gossan

Hydrated Iron Oxide Mix (FeO(OH)·nH2O) / Ferric oxide (Fe2O3)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Honey Calcite (Calcium Carbonate (CaCO3)) — mineral

Honey Calcite

Calcium Carbonate (CaCO3)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

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

Limonite (Iron Ore / Ochre)

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

Limonite Concretion (Hydrated iron(III) oxide-hydroxide (FeO(OH)·nH2O)) — sedimentary

Limonite Concretion

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

Chalcopyrite (Copper Iron Sulfide (CuFeS2)) — mineral

Chalcopyrite

Copper Iron Sulfide (CuFeS2)

Quartz (Iron-stained) (Silicon Dioxide (SiO2)) — mineral

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

Limonite (Iron Ore) (Goethite and related iron hydroxides (FeO(OH)·nH2O)) — mineral

Limonite (Iron Ore)

Goethite and related iron hydroxides (FeO(OH)·nH2O)

Tiger's Eye (with Hematite/Magnetite matrix) (Pseudomorph of Quartz after Crocidolite (SiO2 with FeOOH/Fe2O3)) — metamorphic

Tiger's Eye (with Hematite/Magnetite matrix)

Pseudomorph of Quartz after Crocidolite (SiO2 with FeOOH/Fe2O3)

Botryoidal Hematite (Kidney Ore) (Hematite (Fe2O3)) — mineral

Botryoidal Hematite (Kidney Ore)

Hematite (Fe2O3)

Limonite with Trace Fossils (Hydrous Iron Oxide Mixture (FeO(OH)·nH2O)) — sedimentary

Limonite with Trace Fossils

Hydrous Iron Oxide Mixture (FeO(OH)·nH2O)

Yellow Jasper (Silicon Dioxide (SiO2)) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2)

Limonite (Iron Ore) (FeO(OH)·nH2O (Hydrous ferric oxide)) — mineral

Limonite (Iron Ore)

FeO(OH)·nH2O (Hydrous ferric oxide)

Sardonyx Cameo (Silicon Dioxide (SiO2) - variety Cryptocrystalline Quartz) — Mineral

Sardonyx Cameo

Silicon Dioxide (SiO2) - variety Cryptocrystalline Quartz

Limonite with Iron Inclusions (Limonite (Hydrated Iron Oxide, FeO(OH)·nH2O)) — sedimentary

Limonite with Iron Inclusions

Limonite (Hydrated Iron Oxide, FeO(OH)·nH2O)

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

Gold Ore

Auriferous Quartz and Sulfide Mineralization in Host Rock

Sandstone (Ferruginous Concretion) (Ferruginous Sandstone Concretion / SiO2 with Fe2O3 cement) — sedimentary

Sandstone (Ferruginous Concretion)

Ferruginous Sandstone Concretion / SiO2 with Fe2O3 cement

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

Hematite

Iron(III) oxide (Fe2O3)

Gossan / Iron-Rich Weathered Rock (Hydrated Iron Oxides / Limonite / Goethite) — mineral

Gossan / Iron-Rich Weathered Rock

Hydrated Iron Oxides / Limonite / Goethite

Quartz (likely Rose Quartz or Milky Quartz) (Silicon Dioxide (SiO2)) — mineral

Quartz (likely Rose Quartz or Milky Quartz)

Silicon Dioxide (SiO2)

Hematite (Hematite (Fe2O3)) — mineral

Hematite

Hematite (Fe2O3)

Ferruginous Sandstone (Sandstone (arenite) with Limonite/Goethite cement) — sedimentary

Ferruginous Sandstone

Sandstone (arenite) with Limonite/Goethite cement

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

Hematite

Iron(III) oxide (Fe2O3)

Gossan (with secondary copper minerals) (Iron-rich oxidized rock cap (Limonite/Goethite with Malachite/Chrysocolla inclusions)) — metamorphic

Gossan (with secondary copper minerals)

Iron-rich oxidized rock cap (Limonite/Goethite with Malachite/Chrysocolla inclusions)