Aura Quartz (Titanium/Bismuth Coated)
Silicon Dioxide (SiO2) with metallic vapor coating
Category
Browse mineral (refined metal) specimens identified by the Rock Identifier community.
Aura Quartz (Titanium/Bismuth Coated)
Silicon Dioxide (SiO2) with metallic vapor coating
Gold Nugget
Native Gold (Au)
Sandstone (Quartzose)
Arenite (predominantly SiO2)
Granite
Intrusive Igneous Rock
Opalite (Man-made Glass)
Synthetic Opalised Glass
Limonite-stained Quartz
Silicon Dioxide (SiO2) with Hydrated Iron Oxide (FeO(OH)·nH2O) coatings
Granite
Felsic intrusive igneous rock
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Lepidolite on Quartz
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 (Lepidolite) / SiO2 (Quartz)
Pink Granite
Granite (Phaneritic Quartz-Feldspar rock)
Costume Jewelry with Synthetic Gemstones
Synthetic Cubic Zirconia and Glass (SiO2 / ZrO2)
Quartz Vein / Milky Quartz
Silicon Dioxide (SiO2)
Sunstone
Plagioclase Feldspar (Na,Ca)(Al,Si)4O8
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
Gold Flakes
Native Gold (Au)
Granite
Intrusive igneous rock
Gold Ore in Quartz
Auriferous Quartz (Au + SiO2)
Opalite
Synthetic Opalite Glass / Opalized Glass
Limonite and Goethite on Gossan
FeO(OH)·nH2O
Orange Calcite with Siderite/Iron Oxide Coating
Calcium Carbonate (CaCO3)
Iron-rich sandstone (Gozan/Ironstone)
Ferruginous Sandstone (clastic sedimentary rock)
Bismuth Crystal
Bismuth (element symbol Bi, atomic number 83)
Pyrite-rich Ore
Pyrite (FeS2) with secondary minerals
Limonite (Gossan)
FeO(OH)·nH2O (Hydrated Iron Oxide)
Copper Ore (with Malachite/Chrysocolla and Iron Oxides)
Secondary Copper Minerals (Cu2(CO3)(OH)2 / (Cu,Al)2H2Si2O5(OH)4·nH2O)
Pink Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Green Slag Glass
Amorphous Silica Glass (Anthropogenic)
Amethyst and clear gemstone ring
Amethyst (purple quartz, SiO₂), likely set with colorless quartz or glass accents
Gossan (Iron Hat) with Quartz and Chlorite
Limonite/Goethite-rich Gossan (FeO(OH)·nH2O) with inclusions of Quartz and Chlorite
Quartz (Clear or Milky)
Silicon Dioxide (SiO2)
Slag
Metallurgical Slag
Granite
Granite (Felsic intrusive igneous rock)
Native Copper
Native Copper (Cu)
Peridot (Olivine)
Magnesium Iron Silicate (Mg, Fe)2SiO4
Granite
Phaneritic plutonic igneous rock (mainly Quartz, Feldspar, and Mica)
Granite
Intrusive igneous rock
Opalite
Synthetic Glass (SiO2 + impurities)
Blue Calcite
Calcite (Calcium Carbonate, CaCO3)
Iron Gossan (Limonite/Goethite)
Hydrated Iron Oxides (FeO(OH)·nH2O) from oxidation zones
Limonite (Iron Ore)
Limonite (FeO(OH)·nH2O)
Gold Nugget
Native Gold (Au)
Green Aura Quartz
Silicon Dioxide (SiO2) with Titanium/Metal Vapor Coating