Lepidolite with Rubellite Tourmaline
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 (Lepidolite mica)
Category
Browse mineral, metal (element) specimens identified by the Rock Identifier community.
Lepidolite with Rubellite Tourmaline
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 (Lepidolite mica)
Yellow Beryl
Beryl (Be3Al2(SiO3)6)
Diamond in Kimberlite
Diamond in Kimberlite Matrix (Diamond: C, Kimberlite: complex Potassic Peridotite)
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Lepidolite on Pegmatite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Diamond
Diamond (pure Carbon, C)
Arfvedsonite
Arfvedsonite [Na3(Fe2+,Mg)4Fe3+Si8O22(OH)2]
Diamond
Diamond (Pure Carbon, C)
Copper Ore with Chalcocite
Copper sulfide (Cu2S) with associated copper-bearing minerals
Chalcopyrite (or Pyrite Ore)
CuFeS2 (Copper Iron Sulfide)
Lepidolite
K(Li,Al)3(Al,Si)4O10(F,OH)2 (Lithium-bearing phyllosilicate)
Pyrite
Iron Disulfide (FeS2)
Mineral Sand (Heavy Mineral Sand Concentrate)
Placer deposit concentrate containing minerals such as ilmenite, rutile, zircon, and magnetite
Diamond (in jewelry setting)
Carbon (C)
Diamond (in jewelry setting)
Adamantine Carbon (C)
Fuchsite
Chromium-bearing Muscovite - K(Al,Cr)2(AlSi3O10)(OH)2
Blue Quartz
Silicon Dioxide (SiO2) with fibrous inclusions (such as tourmaline, magnesio-riebbeckite, or crocidolite)
Rainbow Fluorite
Fluorite (Calcium Fluoride, CaF2)
Silver (Native Element)
Ag (Argentum)
Native Copper with Cuprite and Quartz
Copper (Cu), Cuprite (Cu2O), Quartz (SiO2)
Silver (Sterling Silver)
Argentum (Ag) mixed with Copper (Cu); Formula: Ag+Cu
Rainbow Fluorite
Fluorite (Calcium Fluoride, CaF2)
Beaded gemstone bracelet
Indeterminate; likely small polished mineral beads, possibly turquoise or dyed stone, with metal and glass components
Limestone with Lichen/Algae
Sedimentary Calcium Carbonate (CaCO3)
Granite
Intrusive Igneous Rock
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) in matrix
Orgonite Pyramid (containing Amethyst and mixed minerals)
Silicon Dioxide (SiO2) in synthetic resin
Rough Diamond
Carbon (C)
Pink quartz crystal, possibly rose quartz
Quartz (silicon dioxide, SiO₂), likely pink quartz/rose quartz
Diamond (specifically Blue Diamond color appearance)
Carbon (C) with trace Boron
Diamond
Diamond (pure Carbon, C)
Opalite
Synthetic Opalized Glass / Man-made Glass
Blue Celestine
Celestine (SrSO4)
Rough Diamond
Diamond (Native Element Carbon, C)
Native Copper
Native Copper (Cu)
Diamond
Carbon (C)
Quartz Vein in Host Rock (Gneiss/Schist)
Silicon Dioxide (SiO2) within a metamorphic matrix
Pegmatitic granite (likely feldspar–quartz–mica rock)
Granitic pegmatite; chiefly K-feldspar and quartz, with mica and iron-oxide staining
Sandstone (Quartzose Sandstone)
Arenite (SiO2 based)
Gold Nugget
Native Gold (Au)
Gossan (with Limonite and Hematite)
Gossanous iron-oxide rock (Fe2O3 · nH2O)