Turquoise
Hydrated phosphate of copper and aluminium: CuAl6(PO4)4(OH)8·4H2O
Category
Browse mineral (man enhanced) specimens identified by the Rock Identifier community.
Turquoise
Hydrated phosphate of copper and aluminium: CuAl6(PO4)4(OH)8·4H2O
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Tanzanite
Blue Zoisite (Ca2Al3(SiO4)(Si2O7)O(OH))
Carnelian (Red Agate/Chalcedony)
Cryptocrystalline Quartz (SiO2) with Hematite impurities
Cubic Zirconia
Zirconium dioxide (ZrO2)
Botryoidal Agate
Chalcedony (Silicon Dioxide, SiO2)
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
Sandstone
Arenite
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite
Red Sandstone
Arenite with Hematite (Fe2O3) cement
Sandstone
Arenite (primarily SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Green Moss Agate
Silicon Dioxide with inclusions (SiO2 + Mn/Fe)
Greenstone (Greenschist)
Greenschist (composed of Chlorite, Epidote, and Actinolite)
Marble
Recrystallized Calcite (CaCO3)
Picture Jasper
Silicon Dioxide (SiO2) with iron oxide and organic impurities
Sandstone
Arenite (composed primarily of SiO2)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Amygdaloidal Basalt
Amygdaloidal Basalt (with secondary mineral infilling)
Granite
Granite (Felsic Plutonic Rock)
Yellow Jasper with Dendritic Inclusions
Silicon Dioxide (SiO2) with Manganese/Iron Oxide inclusions
Limestone with Chert or Siltstone bands
Sedimentary carbonate rock (CaCO3) often with siliceous impurities
Quartz Pebble (Chert/Chalcedony variety)
Silicon Dioxide (SiO2)
Quartz (Crystal Fragment)
Silicon Dioxide (SiO2)
Sandstone with Algae Growth
Arenite with Chlorophyta/Lichen
Kimberlite with Diamond
Kimberlite (Diamond formula: C)
Pegmatite (with smoky quartz and tourmaline/biotite)
Pegmatitic Granite
Granular Sandstone
Arenite (variable composition, primarily SiO2)
Sandstone (likely Quartzose type)
Clastic sedimentary rock (primarily SiO2)
Sandstone (Weathered)
Arenite (primarily SiO2)
Sandstone (specifically Lithic or Quartz Arenite)
Arenite (composed primarily of SiO2)
Sandstone (likely Graywacke or Arkose variant)
Clastic Sedimentary Rock (Lithic Sandstone)
Sandstone (likely Arkosic)
Clastic Sedimentary Rock (primarily SiO2 with Feldspar)
Sandstone (likely Iron-rich or Arkosic)
Arenite (SiO2 with FeO(OH) or Fe2O3 staining)
Sandstone (clastic)
Clastic Sedimentary Rock (primarily composed of SiO2)
Sandstone
Arenite
Sandstone (Red)
Arenite (primarily Quartz, SiO2, with Iron Oxide cement)
Fancy Jasper (Ocean Jasper or River Jasper variant)
Silicon Dioxide with inclusions (SiO2)
Banded Iron Formation (BIF) / Iron Ore
Banded Iron Formation (composed primarily of Hematite (Fe2O3) and Magnetite (Fe3O4) with Quartz/Chert)
Opalite
Synthetic Glass (Amorphized Silicon Dioxide)