Gold
Aurum (Elemental Gold, Au)
Category
Browse mineral, metal (element) specimens identified by the Rock Identifier community.
Gold
Aurum (Elemental Gold, Au)
Silver (Jewelry Specimen)
Native Silver (Chemical Formula: Ag)
Silver (Native Element)
Ag (Argentum) - 90% Silver, 10% Copper alloy in specimen
Silver Nuggets (Natural or Cast)
Native Silver (Ag)
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
Silicon
Crystalline Silicon (Si)
Silicon
Element Si
Quartz-bearing Pegmatite with Metallic Sulfides
Pegmatite / Quartz-Feldspar Matrix with Pyrite and Mica
Native Silver Nugget
Silver (Ag)
Diamond (Cluster Ring)
Carbon (C)
Bismuthinite with Chalcopyrite and Quartz
Bismuthinite (Bi2S3) and Chalcopyrite (CuFeS2)
Lepidolite Pebble
K(Li,Al)3(Al,Si,3O10)(F,OH)2
Silver (Jewelry form)
Native Silver (Ag)
Bismuth Crystal
Bismuth (element symbol Bi, atomic number 83)
Silver (Jewelry Specimen)
Native Silver (Ag)
Blue Celestite
Celestine (Strontium Sulfate, SrSO4)
Silver (S925)
Native Silver (Ag)
Bismuth Crystal
Bismuth (Bi)
Lepidolite
K(Li,Al)3(Al,Si,Rb,Cs)4O10(F,OH)2
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Native bismuth
Bismuth (Bi), commonly forming hopper crystals or aggregates
Quartz-rich pegmatite with mica
Granitic pegmatite; chiefly quartz (SiO₂), feldspar, and muscovite/biotite mica
Silver (Sterling Silver Jewelry)
Argentum (Ag) mixed with Copper (Cu)
Native Copper with Malachite and Chrysocolla
Native Copper (Cu) with Malachite [Cu2CO3(OH)2] and Chrysocolla [(Cu,Al)2H2Si2O5(OH)4·nH2O]
Bismuth
Bismuth (Bi)
Lavender Quartz (appearing as beads) and Druzy Quartz
Silicon Dioxide (SiO2)
Native Silver
Silver (Ag)
Nickel
Nickel (Ni)
Artificial Rock Face (Faux Rock)
Glass Fiber Reinforced Concrete (GFRC)
Celestite (Celestine)
Strontium Sulfate (SrSO4)
Celestite (Celestine)
Strontium Sulfate (SrSO4)
Bismuth Crystal
Bismuth (Bi)
Graphite
Graphite (Carbon, C)
Celestite (Celestine)
Strontium sulfate (SrSO4)
Silicon (Industrial Grade)
Elemental Silicon (Si)
Collection of Minerals and Ores
Various (e.g., Uraninite (U3O8), Carbon (C), Native Gold (Au), Hematite (Fe2O3), Galena (PbS), etc.)
Celestite (Celestine)
Strontium sulfate (SrSO4)
Native bismuth
Bismuth (Bi), commonly with a naturally oxidized surface
Celestite (Celestine)
Strontium sulfate (SrSO4)
Diamond (as set in a metal alloy ring)
Diamond (Pure Carbon, C)
Silver (Native Silver/Alloy Specimen)
Ag (Native Silver element), specifically a 90% Ag / 10% Cu alloy
Diamond (Cut Gemstone)
Natural Carbon (C)