Diamond
Carbon (C)
gemstone
Category
Mineral (Native Element Alloy)
Browse mineral (native element alloy) specimens identified by the Rock Identifier community.
Learn about Mineral (Native Element Alloy) in the encyclopedia
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Quartz Vein in Matrix (Gneiss/Schist)
Silicon Dioxide (SiO2) in Metamorphic Rock Matrix
metamorphic
Gold Nugget
Gold (Au)
mineral
Aquamarine
Beryllium aluminum silicate (Be3Al2Si6O18)
mineral
Sulfur on Quartz
Native Sulfur (S8) with Quartz (SiO2)
mineral
Auriferous Quartz or Pyritic Ore
Iron Pyrite (FeS2) or Native Gold (Au) in Matrix
mineral
Native Copper in Basalt
Cuprum (with Host Basalt)
igneous
Turquoise
CuAl6(PO4)4(OH)8·4H2O
mineral
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
mineral
Chalcopyrite on Quartz
Copper Iron Sulfide (CuFeS2)
mineral
Chert
Chert (SiO2)
sedimentary
Graphite
Graphite (Native Carbon, C)
metamorphic
Gold in Quartz
Gold (Au) in Quartz (SiO2)
mineral
Thunder Egg (Agate/Jasper filled)
Chalcedony variety Agate/Jasper in a Rhyolitic matrix
sedimentary
Green Jasper
Silicon Dioxide (SiO2) with impurities
sedimentary
Bismuth
Bismuth (Bi)
mineral
Vanadinite
Vanadinite (Pb5(VO4)3Cl)
mineral
Red Jasper
Chalcedony/Quartz (SiO2) with iron inclusions
mineral
Chert (variously known as Flint or Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Milky Quartz (Vein Quartz)
Silicon Dioxide (SiO2)
mineral
Sunstone
Oligoclase or Andesine (Labradorite) Feldspar (Na,Ca)(Si,Al)4O8
mineral
Native Gold (in Jewelry)
Gold (Au)
mineral
Ferrosilicon Slag (Industrial Vitrified Glass)
Vitreous Silicate Residue
Antropogenic (Man-made industrial byproduct)
Turquoise
CuAl6(PO4)4(OH)8·4H2O (Hydrous copper aluminium phosphate)
mineral
Turquoise
CuAl6(PO4)4(OH)8·4H2O
mineral
Turquoise
CuAl6(PO4)4(OH)8·4H2O
gemstone
Red Jasper
Silicon dioxide (SiO2) with iron oxide inclusions
sedimentary
Moqui Marble (Shaman Stone)
Iron Oxide Concretion (Hematite/Goethite-encased Sandstone)
sedimentary
Iron Meteorite (Candidate)
Iron Meteorite (Siderite)
mineral
Chert (Nodule)
Microcrystalline Quartz (SiO2)
sedimentary
Turquoise
Hydrated phosphate of copper and aluminium: CuAl6(PO4)4(OH)8·4H2O
mineral
Diamond
C (Native Carbon)
gemstone
Rough Diamond (Uncut Diamond)
Native Carbon (C)
gemstone
Rough Diamond
C (Native Carbon)
gemstone
Diamond
Native Carbon (C)
gemstone
Diamond
Native Carbon (C)
gemstone
Turquoise
Turquoise - CuAl6(PO4)4(OH)8·4H2O
mineral
Amygdaloidal Basalt
Amygdaloidal Mafic Volcanic Rock
igneous
Amygdaloidal Basalt
Amygdaloidal Basalt (Mafic volcanic rock)
igneous
Turquoise in Matrix
Hydrated phosphate of copper and aluminium: CuAl6(PO4)4(OH)8·4H2O
mineral
Argillite / Mudstone
Argillaceous sedimentary rock
sedimentary
Amygdaloidal Basalt
Amygdaloidal Mafic Volcanic Rock (Basalt)
igneous