Gold and Diamond
Native Gold (Au) and Diamond (C)
Category
Browse anthropogenic (man made industrial byproduct) specimens identified by the Rock Identifier community.
Gold and Diamond
Native Gold (Au) and Diamond (C)
Diamond (Set in jewelry)
Cubic Carbon (C)
Diamond (in a jewelry setting)
Carbon (C)
Quartzite
Quartzite (SiO2)
Bauxite
Alumina-rich rock (consisting of Gibbsite, Boehmite, and Diaspore)
Red Shale
Fissile Siliciclastic Sedimentary Rock
Goldstone
Not a natural mineral or rock. It is an ornamental glass.
Quartzite
Quartzite (chiefly SiO2)
Quartz
Quartz (SiO₂ - Silicon Dioxide)
Diamond
Diamond (Pure Carbon, C)
Fancy Jasper (Ocean Jasper or River Jasper variant)
Silicon Dioxide with inclusions (SiO2)
Green Fluorite (Beaded)
Fluorite (Calcium Fluoride, CaF2)
Golden Quartz (Citrine or Iron-stained Quartz)
Silicon Dioxide (SiO2)
Diamond
Diamond (Pure Carbon, C)
Diamond
Natural Carbon (C)
Diamond
Diamond (pure carbon, C)
Diamond (in jewelry setting)
Diamond (Carbon, C)
Cubic Zirconia (CZ)
Zirconium dioxide (ZrO2)
Iron Ore (Limonite and Hematite)
Goethite/Limonite (FeO(OH)·nH2O) and Hematite (Fe2O3)
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Corundum (Sapphire in Host Rock)
Corundum (Aluminum Oxide, Al2O3)
Quartz
Quartz (SiO₂)
Banded Iron Formation (BIF) / Tiger Iron variety
Banded Iron Formation (composed primarily of Magnetite Fe3O4, Hematite Fe2O3, and Chert/Quartz SiO2)
Diamond
C (Carbon)
Chert (with Manganese Dendrites)
Chert (Cryptocrystalline Quartz, SiO2)
Diamond (in a jewelry setting)
Carbon (C)
Diamond
Carbon (C)
Serpentine (Nephrite-like River Cobble)
Serpentinite (Hydrous Magnesium Iron Silicate)
Granitic Pegmatite
Granite Pegmatite (typically containing Quartz SiO2, Feldspar KAlSi3O8, and Muscovite)
Olivine in Basalt (Peridot)
Magnesium Iron Silicate (Mg,Fe)2SiO4 (Mineral) within Basalt (Rock)
Chert (often called Flint)
Chert (Cryptocrystalline Quartz, SiO2)
Rough Quartz
Silicon Dioxide (SiO2)
Quartzite (River Pebble)
Metamorphic rock consisting primarily of Quartz (SiO2)
Schist
Mica Schist
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2)
Sandstone
Arenite (Clastic Sedimentary Rock)
Magnetite (potentially Hematite-rich)
Magnetite (Fe3O4)
Sandstone (likely Quartzose Sandstone)
Arenite (SiO2 predominantly)
Quartzite River Pebbles
Quartzite (primarily SiO2)
Blue Kyanite
Kyanite (Al2SiO5)
Kyanite
Kyanite (Al2SiO5)
Clear Quartz (Herkimer Diamond variant)
Silicon Dioxide (SiO2)