Diamond
Carbon (C)
Category
Browse mineral (native element alloy) specimens identified by the Rock Identifier community.
Diamond
Carbon (C)
White Topaz
Al2SiO4(F,OH)2
Lepidolite
K(Li,Al)3(Al,Si)4O10(F,OH)2 (Lithium-bearing phyllosilicate)
Molybdenite in Quartz
Molybdenite (MoS2) with Quartz (SiO2)
Aquamarine
Beryl (Be3Al2Si6O18 with iron impurities)
Lepidolite on Pegmatite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Nickel coin (U.S. currency)
Cupronickel (75% Copper, 25% Nickel alloy)
Sunstone
Plagioclase Feldspar (Na,Ca)(Si,Al)3O8
Blue Quartz
Silicon Dioxide (SiO2) with fibrous inclusions (such as tourmaline, magnesio-riebbeckite, or crocidolite)
Moqui Marble
Hematite-Goethite Concretion
Rainbow Fluorite
Fluorite (Calcium Fluoride, CaF2)
Amazonite (microcline feldspar)
K(AlSi3O8) - Potassium Aluminum Silicate
Turquoise in Matrix
CuAl6(PO4)4(OH)8·4H2O (Hydrated copper aluminum phosphate)
Turquoise
Hydrated phosphate of copper and aluminium, CuAl6(PO4)4(OH)8·4H2O
Turquoise
CuAl6(PO4)4(OH)8·4H2O
Turquoise
CuAl6(PO4)4(OH)8·4H2O
Vanadinite
Pb5(VO4)3Cl
Turquoise and Red Coral (with Grizzly Bear Claw)
Turquoise (CuAl6(PO4)4(OH)8·4H2O) and Precious Coral (Corallium rubrum)
Cuprite
Cuprite (Copper(I) oxide, Cu2O)
Graphite
Graphite (Native Carbon, C)
Vanadinite on Barite
Pb5(VO4)3Cl (Vanadinite) with BaSO4 (Barite)
Bismuth
Bismuth (Bi)
Turquoise
Hydrous phosphate of copper and aluminum, CuAl6(PO4)4(OH)8·4H2O
Bismuth Crystal
Bismuth (Bi)
Diamond
Diamond (pure Carbon, C)
Turquoise and Hematite
CuAl6(PO4)4(OH)8·4H2O (Turquoise) and Fe2O3 (Hematite)
Rainbow Fluorite
Fluorite (Calcium Fluoride, CaF2)
Diamond
Carbon (C)
Note: Item is a Synthetic/Man-made Object
Titanium-coated Stainless Steel (Fe-Cr-Ni-Ti)
Beryl (likely Aquamarine)
Beryllium aluminum silicate (Be3Al2Si6O18)
Diamond (or Diamond Simulant)
Carbon (C)
Gold in Quartz Matrix
Native Gold (Au) with Quartz (SiO2)
Synthetic Zinc/Polycarbonate Composite (Bey-specimen)
Zinc Alloy (Zamak 3) with Polycarbonate (C15H16O2)n Overlay
Aquamarine
Beryl (Be3Al2Si6O18)
Turquoise
Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]
Beryl (Emerald Variety)
Beryllium aluminum silicate (Be3Al2(SiO3)6) with chromium/vanadium traces
Aquamarine
Beryl (Be3Al2Si6O18 with iron traces)
Pink Granite
Phaneritic Igneous Rock (high K-Feldspar content)
Arsenopyrite
Arsenopyrite (FeAsS)
Mica Schist
Mica Schist
Moqui Marble (Ironstone Concretion)
Iron Oxide Concretion (Fe2O3)
Gold Ore
Native Gold (Au) in Quartz or Silicate matrix