Pyrite
Iron Sulfide (FeS2)
mineral
Category
Metal (Elemental Mineral)
Browse metal (elemental mineral) specimens identified by the Rock Identifier community.
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Galena
Lead Sulfide (PbS)
mineral
Limonite (Iron-rich Gossan/Laterite)
FeO(OH)·nH2O (Hydrated Iron Oxide)
mineral
Milky quartz
Quartz, silicon dioxide (SiO₂)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Aventurine
Quartz (SiO2) with fuchsite inclusions
mineral
Sunstone
Feldspar group (Plagioclase / Oligoclase)
mineral
Bornite
Copper Iron Sulfide (Cu5FeS4)
mineral
Pyrite in Quartz
Iron Sulfide (FeS2) in Silicon Dioxide (SiO2)
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
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
Schist with Quartz Vein
Mica Schist with SiO2 vein
metamorphic
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
Fossilized Tiger Shark Tooth
Galeocerdo cuvier (fossilized hydroxylapatite)
sedimentary
Marble (Calcitic)
Metamorphosed Limestone (CaCO3)
metamorphic
Pyrite
Iron Sulfide (FeS2)
mineral
Hematite Nodule
Iron oxide, Fe2O3
mineral
Hematite
Hematite (Fe2O3)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Specular Hematite
Hematite (Fe2O3)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Magnetite
Magnetite (Fe3O4)
mineral
Black Tourmaline (Schorl)
Schorl (NaFe2+3Al6(Si6O18)(BO3)3(OH)3OH)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Chalcopyrite in Quartz matrix
Chalcopyrite (CuFeS2) with secondary Malachite (Cu2CO3(OH)2)
mineral
Graphite
Graphite (Carbon, C)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral