Rock Identifier

Category

Mineral (Iron Ore)

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

Chalcedony (River Stone) (Microcrystalline Quartz (SiO2)) — mineral

Chalcedony (River Stone)

Microcrystalline Quartz (SiO2)

Black Obsidian and Hematite (Volcanic Glass (SiO2) and Hematite (Fe2O3)) — igneous and mineral

Black Obsidian and Hematite

Volcanic Glass (SiO2) and Hematite (Fe2O3)

igneous and mineral

Tiger's Eye (Pseudomorph of Quartz after Crocidolite (SiO2)) — metamorphic

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2)

Golden Healer Quartz (Silicon Dioxide (SiO2) with Ferruginous (Iron Oxide) inclusions) — mineral

Golden Healer Quartz

Silicon Dioxide (SiO2) with Ferruginous (Iron Oxide) inclusions

Red Jasper (Silicon dioxide with hematite impurities (SiO2 + Fe2O3)) — mineral

Red Jasper

Silicon dioxide with hematite impurities (SiO2 + Fe2O3)

Red Jasper (Silicon Dioxide (SiO2) with Hematite (Fe2O3)) — mineral

Red Jasper

Silicon Dioxide (SiO2) with Hematite (Fe2O3)

Ametrine (Ametrine (SiO2 - Silicon Dioxide with varied iron impurities)) — mineral

Ametrine

Ametrine (SiO2 - Silicon Dioxide with varied iron impurities)

Tiger's Eye (Small Polished Bead) (Pseudomorph of Quartz after Crocidolite (SiO2)) — mineral

Tiger's Eye (Small Polished Bead)

Pseudomorph of Quartz after Crocidolite (SiO2)

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

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

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

Pyrite (on Quartz matrix)

Iron Sulfide (FeS2)

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

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

Ferruginous Quartz (Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions) — mineral

Ferruginous Quartz

Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions

Basalt with Iron Oxidation (Extrusive Mafic Igneous Rock (composed of Plagioclase and Pyroxene)) — igneous

Basalt with Iron Oxidation

Extrusive Mafic Igneous Rock (composed of Plagioclase and Pyroxene)

Red Sandstone (Arenite (with Iron Oxide cement)) — sedimentary

Red Sandstone

Arenite (with Iron Oxide cement)

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

Quartz Pebble (with Iron Inclusions)

Silicon Dioxide (SiO2)

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

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

Golden Healer Quartz (Silicon Dioxide (SiO2) with limonite/hematite inclusions) — mineral

Golden Healer Quartz

Silicon Dioxide (SiO2) with limonite/hematite inclusions

Shale with Iron Oxide Staining (Fissile Mudstone (primarily clay minerals and quartz)) — sedimentary

Shale with Iron Oxide Staining

Fissile Mudstone (primarily clay minerals and quartz)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Red Jasper (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Rhodonite (Rhodonite (MnSiO3)) — Mineral

Rhodonite

Rhodonite (MnSiO3)

Himalayan Pink Salt (Halite) (Halite (Sodium Chloride, NaCl)) — sedimentary

Himalayan Pink Salt (Halite)

Halite (Sodium Chloride, NaCl)

Beryl (likely Emerald or Aquamarine in matrix) (Beryllium aluminum silicate (Be3Al2Si6O18)) — mineral

Beryl (likely Emerald or Aquamarine in matrix)

Beryllium aluminum silicate (Be3Al2Si6O18)

Rhodonite (Rhodonite; (Mn,Fe,Mg,Ca)SiO3) — Mineral

Rhodonite

Rhodonite; (Mn,Fe,Mg,Ca)SiO3

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

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Jasper (likely Polychrome or Ocean Jasper) (Silicon Dioxide (SiO2) with impurities) — sedimentary

Jasper (likely Polychrome or Ocean Jasper)

Silicon Dioxide (SiO2) with impurities

Tiger's Eye (Silicon dioxide (SiO2) with fibrous inclusions of crocidolite (riebeckite) that have been altered to limonite and then replaced by quartz) — Mineral

Tiger's Eye

Silicon dioxide (SiO2) with fibrous inclusions of crocidolite (riebeckite) that have been altered to limonite and then replaced by quartz

Ferruginous Quartz (Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions) — mineral

Ferruginous Quartz

Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions

Glauconitic Sandstone (Glauconitic Quartz Arenite) — sedimentary

Glauconitic Sandstone

Glauconitic Quartz Arenite

Iron-stained Quartz (Silicon Dioxide (SiO2) with Hematite/Limonite impurities) — mineral

Iron-stained Quartz

Silicon Dioxide (SiO2) with Hematite/Limonite impurities

Blue Sapphire (Corundum (Al2O3 - Aluminum Oxide)) — mineral

Blue Sapphire

Corundum (Al2O3 - Aluminum Oxide)

Tiger's Eye (Pseudomorph of Quartz after Crocidolite (SiO2 with inclusions of Iron Oxide)) — mineral

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2 with inclusions of Iron Oxide)

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

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Ferruginous Sandstone (Ironstone) (Arenite with Limonite/Goethite cement) — sedimentary

Ferruginous Sandstone (Ironstone)

Arenite with Limonite/Goethite cement

Ferruginous Quartz (Silicon Dioxide (SiO2) with Hematite/Limonite impurities) — mineral

Ferruginous Quartz

Silicon Dioxide (SiO2) with Hematite/Limonite impurities

Sandstone (Red) (Arenite (Fe2O3 heavy)) — sedimentary

Sandstone (Red)

Arenite (Fe2O3 heavy)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Dendritic Agate (Silicon Dioxide (SiO2) with inclusions of manganese or iron oxides) — mineral

Dendritic Agate

Silicon Dioxide (SiO2) with inclusions of manganese or iron oxides

Brown Sandstone (Arenite (primarily Quartz and Feldspar, with Iron Oxide cement)) — sedimentary

Brown Sandstone

Arenite (primarily Quartz and Feldspar, with Iron Oxide cement)

Fuchsite (Fuchsite (a variety of Muscovite mica, K(Al,Cr)2(AlSi3O10)(OH)2)) — mineral

Fuchsite

Fuchsite (a variety of Muscovite mica, K(Al,Cr)2(AlSi3O10)(OH)2)