Green Fluorite
Calcium Fluoride (CaF2)
Category
Browse mineral (refined metal) specimens identified by the Rock Identifier community.
Green Fluorite
Calcium Fluoride (CaF2)
Slag (Industrial Glassy Byproduct)
Ferro-silicate Slag
Pyrite
Iron Sulfide (FeS2)
Bauxite
Bauxite (mixture of hydrous aluminum oxides: Al(OH)3 & AlO(OH))
Lepidolite with Rubellite Tourmaline
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 (Lepidolite mica)
Limonite (Ochreous)
FeO(OH)·nH2O (Hydrated Iron Oxide)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Silver (Jewelry Specimen)
Native Silver (Chemical Formula: Ag)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Granite (with Beryl/Aquamarine)
Granite (Feldspar, Quartz, Mica, and Beryl Be3Al2Si6O18)
Sulfide Ore (likely Galena and Sphalerite in Quartz)
Lead-Zinc Ore (PbS and ZnS)
Pallasite Meteorite
Pallasite (Stony-iron meteorite; Fe-Ni alloy with (Mg,Fe)2SiO4 olivine)
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) within Metasedimentary or Igneous matrix
Diamond (Cluster Ring)
Carbon (C)
Gold Nugget
Native Gold (Au)
Lepidolite on Matrix
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
Copper Ore with Malachite and Chrysocolla
Cu2CO3(OH)2 (Malachite) with Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Chrysocolla)
Celestite (Celestine)
Strontium sulfate (SrSO4)
Quartz Vein in Pelite (Metamorphic Rock)
Hydrothermal Quartz Veining in Metasedimentary Rock (SiO2)
Gold-Bearing Quartz
Silicon Dioxide with Native Gold (SiO2 + Au)
Celestite (Celestine)
Strontium sulfate (SrSO4)
Yellow Beryl (Heliodor)
Beryllium aluminum silicate (Be3Al2Si6O18)
Slag (Industrial Byproduct)
Ferrous/Non-ferrous Silicate
Slag (Industrial By-product)
Anthropogenic Vitreous Silica/Iron Silicate
Limonite (Iron Stone/Iron Ore)
FeO(OH)·nH2O (Hydrous ferric oxide)
Beryl (likely var. Aquamarine or Goshenite) in Matrix
Beryllium Aluminum Silicate (Be3Al2Si6O18)
Bauxite
Bauxite (Al(OH)3, AlO(OH))
Pyrite
Iron Sulfide (FeS2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Green Aura Quartz (Titanium treated Kyanite or Quartz)
Silicon Dioxide (SiO2) or Aluminum Silicate (Al2SiO5) with Titanium/Metal Oxide coating
Yellow Ochre / Limonite
Limonite (FeO(OH)·nH2O)
Marble
Recrystallized Calcite (CaCO3)
Lepidolite in Quartz (Lithium-bearing Ore)
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2) and Quartz (SiO2)
Quartz Vein in Host Rock
Hydrothermal Quartz (SiO2) in Slates/Schists
Copper Ore (with Azurite and Malachite)
Cuprite, Azurite (Cu3(CO3)2(OH)2), Malachite (Cu2(CO3)(OH)2)
Aventurine
Quartz (SiO2) with inclusions of Fuchsite
Pyrite in Quartz
FeS2 (Iron Pyrite) with SiO2 (Quartz)
Rose Quartz
Silicon Dioxide (SiO2) with trace impurities of Titanium, Manganese, or Iron
Slag
Ferrous slag (by-product of iron smelting)
Beryl (Variety: Aquamarine)
Beryllium Aluminum Cyclosilicate (Be3Al2Si6O18)
Chalcopyrite-bearing Ore
Chalcopyrite (CuFeS2)