Chert (variations include Flint)
Chert (SiO2)
Category
Browse synthetic (man made material mimicking natural stone) specimens identified by the Rock Identifier community.
Chert (variations include Flint)
Chert (SiO2)
Porcelain (Stoneware Ceramic)
Mullite / Silica-glass composite (Al6Si2O13)
Yellow Citrine Quartz
Silicon Dioxide (SiO₂)
Onyx (Black Onyx)
Silicon Dioxide (SiO2) - Chalcedony variety
Sandstone (with Iron Staining)
Clastic Sedimentary Rock (primarily Quartz, SiO2)
Sandstone
Arenite (primarily SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Sandstone (with Concretion)
Arenite / Quartzose Sandstone
Sandstone
Arenite (SiO2 based)
Quartzite Pebble
Metamorphic Quartz (SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (primarily SiO2)
Limestone
Calcium carbonate (CaCO3)
Sandstone (likely Graywacke or Arkose variant)
Clastic Sedimentary Rock (SiO2 based)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
Sandstone (Quartzose Sandstone)
Clastic Sedimentary Rock (primarily SiO2)
Fossiliferous Limestone
Fossiliferous Calclutite / Bio-calcarenite (CaCO3)
Quartzite
Quartzite (SiO2)
Orange Quartz (Citrine or Iron-stained Quartz)
Silicon Dioxide (SiO2)
Quartz (likely a macrocrystalline variety like milky quartz or smoky quartz, given the appearance in the image)
Quartz (SiO₂ - Silicon Dioxide)
Clear Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon dioxide (SiO2)
Asphalt (Bituminous Pavement Bit)
Bitumen-bound aggregate (Petrochemical-bound composite)
Peacock Ore
Bornite (Cu5FeS4)
Moss Agate
Chalcedony (Silicon Dioxide - SiO2) with inclusions
Chert (Jasper)
Microcrystalline Quartz (SiO2) with Iron Oxide inclusions
Sandstone
Arenite (composed primarily of SiO2)
Sandstone (Red)
Arenite (primarily Quartz, SiO2, with Iron Oxide cement)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone (likely Quartz Sandstone)
Arenite (SiO2 based)
Milky Quartz
Silicon Dioxide (SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone (Ferruginous)
Arenite (with iron oxide cement, Fe2O3)
Sandstone
Arenite (primarily SiO2 - Silicon Dioxide)
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2)
Sandstone (Quartzose Sandstone)
Arenite (SiO2)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2)
Citrine
Silicon Dioxide (SiO2) with iron impurities
Turquoise
Turquoise (Hydrated phosphate of copper and aluminium), CuAl6(PO4)4(OH)8·4H2O
Coquina / Fossiliferous Limestone
Biogenic Limestone (Calcium Carbonate - CaCO3)