Arsenopyrite with Schist Matrix
Arsenopyrite (FeAsS)
mineral
Category
Metal (Elemental Mineral)
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Pyrite
Iron Sulfide (FeS2)
mineral
Chalcopyrite (Peacock Ore)
Chalcopyrite (CuFeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Hypersthene
Enstatite (Hypersthene variety), (Mg,Fe)SiO3
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Hematite
Hematite (Fe2O3)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Galena
Lead Sulfide (PbS)
mineral
Pyrite (Fools Gold)
Iron Sulfide (FeS2)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Gold Nugget (Placer Gold)
Native Gold (Au)
mineral
Pyrite in Matrix
Iron Disulfide (FeS2)
mineral
Magnetite
Iron(II,III) oxide (Fe3O4)
mineral
Specular Hematite
Hematite (Fe2O3)
mineral
Schorl (Black Tourmaline)
NaFe3Al6Si6O18(BO3)3(OH)3OH (Iron tourmaline)
mineral
Rainbow Hematite (Man-made/Treated)
Tumbled Hematite with Titanium/Anodized coating (Iron(III) oxide, Fe2O3)
mineral
Bornite
Bornite (Cu5FeS4)
mineral
Black Tourmaline
Schorl (Sodium Iron Aluminum Borosilicate Hydroxide), NaFe3Al6(BO3)3Si6O18(OH)4
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Iron Meteorite (Candidate)
Iron Meteorite (Siderite)
mineral
Pyrite in Quartz
Iron Disulfide (FeS2) in Silicon Dioxide (SiO2)
mineral
Schorl (Black Tourmaline)
NaFe3Al6(BO3)3Si6O18(OH)4 (Sodium Iron Aluminum Borosilicate)
mineral
Quartz crystal with Pyrite inclusions
Silicon Dioxide (SiO2) with Iron Sulfide (FeS2)
mineral
Specular Hematite with Quartz
Ferric oxide (Fe2O3) and Silicon dioxide (SiO2)
Mineral
Gold Nugget
Native Gold (Au)
mineral
Red Hematite
Iron(III) Oxide (Fe2O3)
mineral
Pyrite (on Quartz matrix)
Iron Sulfide (FeS2)
mineral
Specular Hematite (Specularite)
Hematite (Alpha-Fe2O3)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Hypersthene
Hypersthene (Enstatite variety), (Mg,Fe)SiO3
Mineral
Magnetite
Magnetite (Fe3O4)
mineral
Gold Ore in Matrix
Native Gold (Au) in Quartz/Limonite host rock
mineral
Gold Nugget
Native Gold (Au)
mineral
Pyrite and Fluorite on Quartz (Matrix Specimen)
Iron Disulfide (FeS2) and Calcium Fluoride (CaF2) with Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Gold Nugget
Native Gold (Au)
mineral
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(F,OH)2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Magnetite or Magnetic Iron Ore
Magnetite (Fe3O4)
mineral
Pyrite in Quartz
Iron Sulfide (FeS2) in Silicon Dioxide (SiO2)
Mineral