Lepidolite in Quartz (Lithium-bearing Ore)
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2) and Quartz (SiO2)
igneous/mineral
Category
Mineral (Metal)
Browse mineral (metal) specimens identified by the Rock Identifier community.
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Granite
Phaneritic plutonic igneous rock (mainly Quartz, Feldspar, and Mica)
igneous
Faceted purple-blue beads, likely synthetic glass or treated gemstone
Indeterminate; possible synthetic corundum, synthetic spinel, or dyed quartz (SiO₂)
gemstone
Native Copper
Native Copper (Cu)
mineral
Milky Quartz with Iron Oxide Weathering
Silicon Dioxide (SiO2) with Goethite/Limonite coatings
mineral
Limonite and Goethite on Gossan
FeO(OH)·nH2O
mineral
Turquoise cabochon ring
Turquoise — hydrated copper aluminum phosphate, CuAl₆(PO₄)₄(OH)₈·4H₂O
gemstone
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) vein cutting through host rock
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Slag
Metallurgical Slag
igneous
Dark metallic sulfide specimen, possibly galena
Galena (lead sulfide, PbS), identification tentative
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
Pyrite in Matrix
Iron Sulfide (FeS2)
mineral
Bismuth Crystal
Bismuth (element symbol Bi, atomic number 83)
mineral
Turquoise inlay ring
Turquoise, CuAl₆(PO₄)₄(OH)₈·4H₂O
gemstone
Possible iron-rich meteorite fragment
Unidentified Fe–Ni meteoritic material; identification cannot be confirmed from this blurry image
meteorite
Green Aura Quartz
Silicon Dioxide (SiO2) with Titanium/Metal Vapor Coating
mineral
Granite Boulder
Felsic Intrusive Igneous Rock
igneous
Opalite
Synthetic Glass (SiO2 + impurities)
mineral
Blue Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Pegmatitic granite (likely feldspar–quartz–mica rock)
Coarse-grained granitic pegmatite; primarily quartz (SiO₂), feldspar, and mica, with possible epidote or chlorite
igneous
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
metamorphic
Chalcopyrite (Peacock Ore)
Copper Iron Sulfide (CuFeS2)
mineral
Granite
Granite (Felsic intrusive igneous rock)
igneous
Aura Quartz (Titanium/Bismuth Coated)
Silicon Dioxide (SiO2) with metallic vapor coating
mineral
Gold Nugget
Native Gold (Au)
mineral
Blue-green cabochon pendant, likely turquoise or composite turquoise
Turquoise: hydrated copper aluminum phosphate, CuAl₆(PO₄)₄(OH)₈·4H₂O; exact identification is uncertain from the blurred image
gemstone
Copper Ore (with Azurite and Malachite)
Cuprite, Azurite (Cu3(CO3)2(OH)2), Malachite (Cu2(CO3)(OH)2)
mineral
Pyrite in Quartz
FeS2 (Iron Pyrite) with SiO2 (Quartz)
Mineral/Igneous/Hydrothermal
Pyrite-rich Ore
Pyrite (FeS2) with secondary minerals
mineral
Opalite
Synthetic Opalized Glass
gemstone
Gold in Quartz Matrix
Native Gold (Au) with Quartz (SiO2) and Slate/Shale
mineral
Granite / Pegmatite with Quartz Vein
Granite (composed mainly of Quartz SiO2, Potassium Feldspar KAlSi3O8, and Plagioclase)
igneous
Granite
Felsic intrusive igneous rock
igneous
Granite
Felsic intrusive igneous rock
igneous
Amethyst ring
Amethyst, purple quartz (SiO₂)
gemstone
Limonite (Gossan)
FeO(OH)·nH2O (Hydrated Iron Oxide)
mineral
Granite
Intrusive igneous rock composed mainly of quartz, alkali feldspar, and plagioclase
igneous
Diamond jewelry pendant or cluster
Diamond, crystalline carbon (C), likely mounted in metal
gemstone