Bornite
Cu5FeS4
mineral
Category
Mineral (Refined Metal)
Browse mineral (refined metal) specimens identified by the Rock Identifier community.
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Celestite (Celestine)
Strontium sulfate (SrSO4)
mineral
Copper Ore with Malachite and Chrysocolla
Cu2CO3(OH)2 (Malachite) with Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Chrysocolla)
mineral
Amber cabochon pendant
Amber (fossilized tree resin; chiefly polymerized terpenoids)
gemstone
Quartz Vein / Quartz Matrix
Silicon Dioxide (SiO2)
mineral
Pyrite in Quartz
Silicon Dioxide (SiO2) with Iron Sulfide (FeS2)
mineral
Granite
Felsic intrusive igneous rock
igneous
Amygdaloidal Basalt
Extrusive mafic igneous rock with amygdules
igneous
Bauxite
Al2O3·2H2O (Aluminum Hydroxide)
sedimentary
Pyrite
Iron Sulfide (FeS2)
mineral
Colorless Quartz (Rhinestone)
Silicon Dioxide (SiO2)
mineral
Granite
Intrusive Igneous Rock
igneous
Granite
Intrusive Igneous Rock
igneous
Granite
Phaneritic Felsic Intrusive Igneous Rock
igneous
Bauxite
Bauxite (Al2O3·2H2O)
sedimentary
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
metamorphic
Native metal specimen, likely galena or metallic slag
Probably galena (lead sulfide, PbS); identification is uncertain from the image alone
mineral
Green Aura Quartz (Titanium treated Kyanite or Quartz)
Silicon Dioxide (SiO2) or Aluminum Silicate (Al2SiO5) with Titanium/Metal Oxide coating
mineral (man-made aura treatment)
Quartz Vein in Host Rock
Hydrothermal Quartz (SiO2) in Slates/Schists
metamorphic
Granite
Granite (Intrusive Igneous Rock)
igneous
Gossan (Iron Hat)
Limonitic Gossan (predominantly FeO(OH)·nH2O)
igneous/metamorphic derivative
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Gossan / Iron Ore Rock
Hematite / Goethite / Limonite iron oxide assemblage
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace impurities of Titanium, Manganese, or Iron
mineral
Granite
Intrusive Igneous Rock (Felsic)
igneous
Quartz cabochon turtle pendant
Quartz (SiO₂), likely a translucent variety with natural inclusions
gemstone
Quartz-rich hydrothermal ore rock, likely gold-bearing quartz vein
Milky quartz (SiO₂) with iron-oxide staining and probable sulfide minerals; host rock may be schist or altered granite
metamorphic
Native Gold Flake
Gold (Au)
mineral
Aura Quartz Geode
Titanium/Gold bonded Quartz (SiO2 with metallic coating)
mineral
Granite
Intrusive Igneous Rock
igneous
Milky quartz with possible mica or feldspar inclusions
Quartz (SiO₂), likely with minor inclusions
mineral
Possible iron-rich meteorite or metallic sulfide-bearing rock
Unconfirmed; candidates include stony-iron meteorite, iron meteorite, or pyrite-bearing terrestrial rock
meteorite
Cubic Zirconia (CZ) Jewelry
Zirconium dioxide (ZrO2)
mineral (synthetic)
Lepidolite in Quartz (Lithium-bearing Ore)
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2) and Quartz (SiO2)
igneous/mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Possible weathered metallic mineral specimen
Uncertain; possibly native copper-bearing rock or iron sulfide in a gray host matrix
mineral
Yellow Ochre / Limonite
Limonite (FeO(OH)·nH2O)
Mineral
Chalcopyrite-bearing Ore
Chalcopyrite (CuFeS2)
mineral
Beryl (Variety: Aquamarine)
Beryllium Aluminum Cyclosilicate (Be3Al2Si6O18)
mineral
Beryl (var. Heliodor or Aquamarine)
Beryllium Aluminum Cyclosilicate (Be3Al2Si6O18)
mineral
Celestine (Celestite)
Strontium sulfate (SrSO4)
mineral