Bornite (Peacock Ore)
Bornite (Cu5FeS4)
Category
Browse antropogenic (man made industrial byproduct) specimens identified by the Rock Identifier community.
Bornite (Peacock Ore)
Bornite (Cu5FeS4)
Jasper
Jasper (Silicon Dioxide, SiO2)
Rough Diamond
Diamond (C)
Peridot
Olivine (Magnesium Iron Silicate - (Mg, Fe)2SiO4)
Rough Diamond
Native Carbon (C)
Rough Diamond
Diamond (pure carbon / C)
Sandstone (lithic wacke)
Arenite / Lithic Wacke (mostly SiO2 with rock fragments)
Vanadinite
Lead Chlorovanadate - Pb5(VO4)3Cl
Gold Nugget
Native Gold (Au)
Diamond
Diamond (C)
Diamond
C (Carbon)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Olivine (Peridot)
Magnesium Iron Silicate (Mg, Fe)2SiO4
Marble
Marble (metamorphosed limestone/dolostone). Predominantly composed of Calcite (CaCO3) for marble derived from limestone, or Dolomite (CaMg(CO3)2) for marble derived from dolostone.
Black Diamond / Black Sapphire
Carbon (C) or Corundum (Al2O3)
Diamond (in jewelry mount)
Carbon (C)
Olivine (Peridot)
Magnesium Iron Silicate (Mg, Fe)2SiO4
Rutilated Quartz
SiO2 with TiO2 inclusions
Rose Quartz Carving
Quartum roseum (Variety of Quartz, SiO2)
Rose Quartz (likely carved)
Rose Quartz (SiO2)
Granite
Granite
Olivine (Peridot)
Olivine (Mg, Fe)2SiO4
Yellow Diamond
Diamond (Carbon, C)
Peridot
Olivine (Magnesium Iron Silicate), (Mg, Fe)2SiO4
Diamond
Diamond (pure Carbon, C)
Olivine (Peridot)
Magnesium Iron Silicate ((Mg, Fe)2SiO4)
Fluorite Tower
Calcium Fluoride (CaF2)
Sandstone
Arenite (SiO2 based with quartz grains)
Orthoclase Feldspar
Potassium aluminum silicate (KAlSi3O8)
Blue Apatite
Chlorapatite / Fluorapatite (Ca5(PO4)3(F,Cl,OH))
Banded Iron Formation (BIF)
Banded Iron Formation (Magnetite-Hematite-Chert)
Quartz Vein in Metamorphic Rock
Silicon Dioxide (SiO2) within Metasedimentary host
Sandstone (likely Iron-rich or Arkosic)
Arenite (SiO2 with FeO(OH) or Fe2O3 staining)
Quartz Pebble (Chalcedony/Agate)
Silicon Dioxide (SiO2)
Diamond
Diamond (C)
Diamond (in a metal ring setting)
Diamond (Pure Carbon, C)
Note: Item is not a geological specimen
Guitar Components (Steel, Nickel, Plastic, Wood)
Quartz Geode (with possible Manganese or Goethite coating)
Silicon Dioxide (SiO2)
Olivine Peridotite
Peridotite (comprising Olivine (Mg,Fe)2SiO4 and Pyroxene)
Quartzite
Quartzite (predominantly SiO2)
Quartzite Pebbles
Quartzite (SiO2)
Cubic Zirconia (Faceted)
Zirconium dioxide (ZrO2)