Blue Celestite (with Galena)
Strontium sulfate (SrSO4) and Lead sulfide (PbS)
Category
Browse mineral (processed metal) specimens identified by the Rock Identifier community.
Blue Celestite (with Galena)
Strontium sulfate (SrSO4) and Lead sulfide (PbS)
Bornite (Peacock Ore)
Bornite (Cu5FeS4)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Sunstone (Orthoclase Feldspar variant)
Orthoclase (KAlSi3O8) with inclusions
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Native Gold Nuggets
Native Gold (Au)
Magnetite (Lodestone variety)
Magnetite (Iron(II,III) oxide, Fe3O4)
Rose Quartz with Schist Matrix
Silicon Dioxide (SiO2) with Mica-Schist
Pyrite
Iron Disulfide (FeS2)
Hematite with Magnetite
Iron Oxide (Fe2O3)
Gold Nugget
Native Gold (Au)
Sunstone
Aventurine Feldspar ((Ca,Na)(Al,Si)4O8)
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
Chalcopyrite
Chalcopyrite (CuFeS2)
Quartz with Mica inclusions (Gold-colored Mica)
Silicon Dioxide (SiO2) with Potassium Aluminum Silicate (Phlogopite/Muscovite) inclusions
Iron Meteorite
Siderite (Iron-Nickel Alloy), predominantly Kamacite and Taenite (Fe, Ni)
Aventurine (Green Quartz)
Silicon Dioxide (SiO2) with inclusions of Fuchsite (Mica)
Muscovite Mica
Muscovite: KAl2(AlSi3O10)(OH)2
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Pyrite on Quartz
Iron Sulfide (FeS2) on Silicon Dioxide (SiO2)
Sunstone
Plagioclase Feldspar (Na,Ca)(Al,Si)4O8
Peacock Ore
Bornite (Cu5FeS4)
Quartzite
Quartzite (Primary mineral: SiO2)
Mica Schist
Mica Schist (Quartz-Biotit-Muscovite Schist)
Mica Schist
Mica Schist (Predominantly Muscovite/Biotite)
Basalt
Basalt
Schist (Garnet-Mica Schist)
Garnet-Mica Schist
Basalt
Basalt (Mafic Extrusive Igneous Rock)
Schist (Micaceous)
Mica Schist
Fossil / Permineralized Bone
Tyrannosaurus rex fossil (Hydroxylapatite replaced by various minerals)
Green Fluorite
Calcium Fluoride (CaF2)
Fluorite (translucent octahedral crystal)
Calcium fluoride (CaF2)
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
Fluorite
Calcium Fluoride (CaF2)
Fluorite
Calcium Fluoride (CaF2)
Green Fluorite
Fluorite (Calcium Fluoride - CaF2)
Fluorite (Purple variety)
Calcium Fluoride (CaF2)
Fluorite
Calcium Fluoride (CaF2)
Mica Schist
Crystalline Schist (often containing Muscovite, Biotite, and Quartz)
Banded Iron Formation (BIF) / Iron Ore
Banded Iron Formation (composed primarily of Hematite (Fe2O3) and Magnetite (Fe3O4) with Quartz/Chert)
Folded Schist / Gneiss (Metamorphic Rock)
Regional Metaphoric Folded Outcrop (predominantly Schist/Gneiss)