Iron Meteorite
Siderite (Iron-Nickel Alloy)
mineral
Category
Mineral (Refined Metal)
Browse mineral (refined metal) specimens identified by the Rock Identifier community.
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Gold Flakes in Oil (Novelty Specimen)
Native Gold (Au)
mineral
Bornite (Peacock Ore)
Bornite (Copper iron sulfide - Cu5FeS4)
mineral
Iron Meteorite
Iron-Nickel Alloy (Kamacite and Taenite)
mineral
Specular Hematite
Hematite (Fe2O3)
mineral
Black Tourmaline
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
mineral
Hematite / Goethite (Iron Ore)
Iron Oxide (Fe2O3 / FeO(OH))
mineral
Limonite Geode / Ironstone Concretion
Hydrated iron oxide-hydroxide (FeO(OH)·n H2O)
sedimentary
Limonite / Ironstone Concretion
Hydrated Iron Oxide (FeO(OH)%C2%B7nH2O)
sedimentary
Moqui Marble (Sandstone Concretion)
Hematite-cemented Sandstone (Fe2O3 + SiO2)
sedimentary
Bornite (Peacock Ore)
Bornite (Cu5FeS4)
mineral
Basalt
Mafic Igneous Rock (primarily Plagioclase Feldspar and Pyroxene)
igneous
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Pyrite in Quartz
Silicon Dioxide (SiO2) with Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Limonite (Iron-rich Gossan/Laterite)
FeO(OH)·nH2O (Hydrated Iron Oxide)
mineral
Pyrite in Quartz
Iron Sulfide (FeS2) in Silicon Dioxide (SiO2)
mineral
Galena
Lead Sulfide (PbS)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Aventurine
Quartz (SiO2) with fuchsite inclusions
mineral
Milky quartz
Quartz, silicon dioxide (SiO₂)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Sunstone
Feldspar group (Plagioclase / Oligoclase)
mineral
Bornite
Copper Iron Sulfide (Cu5FeS4)
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Green Fluorite
Calcium Fluoride (CaF2)
mineral
Blue Lace Agate (Tumbled)
Chalcedony (Silicon Dioxide, SiO2)
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Fluorite (specifically Blue John or Banded Fluorite)
Calcium Fluoride (CaF2)
mineral
Sunstone
Plagioclase Feldspar (Na,Ca)(Al,Si)4O8
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Magnetite with Pyroxene
Magnetite (Fe3O4) in Mafic Igneous Matrix
mineral/igneous
Magnetite / Hematite mix (Iron Ore)
Fe3O4 (Magnetite) / Fe2O3 (Hematite)
mineral
Magnetite
Iron(II,III) oxide (Fe3O4)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Sunstone
Oligoclase (Plagioclase Feldspar), (Ca,Na)(Al,Si)4O8
mineral
Iron Slag
Anthropogenic Ferro-silicate
mineral
Moqui Marble
Hematite concretion (Iron oxide), Fe2O3
sedimentary
Limonite / Goethite (Ironstone Nodule)
Hydrated Iron(III) Oxide-Hydroxide (FeO(OH)·nH2O)
mineral
Schist with Quartz Vein
Mica Schist with SiO2 vein
metamorphic
Marble (Calcitic)
Metamorphosed Limestone (CaCO3)
metamorphic