Mica Schist
Mica Schist (predominantly Muscovite or Biotite sheet silicates)
metamorphic
Category
Mineral (Refined Metal)
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Basalt with Iron Oxidation
Mafic Igneous Basalt
igneous
Shungite
Non-crystalline carbon (allotrope of carbon)
metamorphic
Vesicular Basalt with Pyrite
Basalt (MgFe2+)(Si,Al)2O6 containing FeS2 inclusions
igneous
Mica Schist with Quartz
Mica-Quartz Schist (Muscovite subclass)
metamorphic
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
metamorphic
Native copper nugget
Native copper (Cu)
mineral
Galena
Lead Sulfide (PbS)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Moqui Marry / Shaman Stone
Hematite-cemented Sandstone Concretion
mineral
Gold
Gold (Au)
mineral
Gossan / Iron-Rich Weathered Rock
Hydrated Iron Oxides / Limonite / Goethite
mineral
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
mineral
Black Tourmaline (Schorl)
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
mineral
Black Tourmaline
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
mineral
Quartz with Pyrite and Iron Staining
Silicon Dioxide (SiO2) with Iron Disulfide (FeS2) inclusions
mineral
Magnetite (Iron Ore)
Magnetite (Fe3O4)
mineral
Botryoidal Hematite
Iron Oxide (Fe2O3)
mineral
Magnetite
Magnetite (Fe3O4)
mineral
Galena
Lead Sulfide (PbS)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Iron Ore (Magnetite-Hematite)
Magnetite (Fe3O4) and Hematite (Fe2O3)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Botryoidal Hematite (Kidney Ore)
Iron(III) oxide (Fe2O3)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Gold Nugget
Native Gold (Au)
mineral
Micro-Meteorite (Micrometeoroid)
Extraterrestrial Spherule (Silicate or Iron-Nickel)
mineral
Pyrite (Iron Pyrite) with Goethite Oxidation
Iron Sulfide (FeS2)
mineral
Sunstone
Plagioclase Feldspar (Na,Ca)(Si,Al)4O8
mineral
Pyrite (Iron Pyrite)
Iron Sulfide (FeS2)
mineral
Black Tourmaline (Schorl)
Sodium Iron Aluminum Borate Silicate (NaFe3Al6(BO3)3Si6O18(OH)4)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Barite
Barium Sulfate (BaSO4)
mineral
Native Gold (Placer Gold)
Native Gold (Au)
mineral
Magnetite
Magnetite (Iron(II,III) oxide, Fe3O4)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Magnetite-rich Iron Ore
Magnetite (Fe3O4)
mineral
Bronzite
Enstatite (var. Bronzite), (Mg,Fe)SiO3
mineral
Bismuth
Bismuth (Bi)
mineral
Iron Meteorite
Iron Meteorite (primarily Kamacite and Taenite, Fe-Ni alloys)
mineral