Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Category
Browse manufactured stone specimens identified by the Rock Identifier community.
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Sandstone (Water-worn Pebble)
Clastic Sedimentary Rock (primarily SiO2)
Bull Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Limestone (River Pebble)
Sedimentary Calcium Carbonate (CaCO3)
Milky Quartz
Silicon Dioxide (SiO2)
Sandstone
Arenite (typically SiO2 + others)
Milky Quartz
Silicon Dioxide (SiO2)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Limestone with Calcite Veins
Sedimentary Calcium Carbonate (CaCO3)
Milky Quartz
Silicon Dioxide (SiO2)
Sandstone (Calcareous or Ferruginous)
Clastic sedimentary rock (SiO2 with CaCO3 or Fe2O3 cement)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone (likely Quartzose Sandstone)
Arenite (composed primarily of SiO2)
Limestone
Sedimentary Calcium Carbonate (CaCO3)
Sandstone
Arenite (Sedimentary rock composed of sand-sized minerals or rock grains)
Limestone
Calcium Carbonate (CaCO3)
Sandstone
Arenite (primarily SiO2)
Sandstone (with potential iron mineralization)
Arenite
Sandstone
Arenite (SiO2 based typically)
Quartzite
Quartzite (chiefly SiO2)
Quartz (Milky or Cloudy)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Limestone (Fossiliferous)
Calcium Carbonate (CaCO3)
Sandstone
Arenite
Red Sandstone
Arenite (Ferruginous Sandstone)
Clear Quartz
Silicon Dioxide (SiO2)
Sandstone
Arenite (SiO2 principal component)
Yellow Calcite
Calcite (Calcium Carbonate, CaCO3)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
Quartzite
Quartzite (SiO2)
Quartzite Pebble
Quartzite (principally Silicon Dioxide, SiO2)
Fossiliferous Limestone (Coquina)
Calcite (CaCO3) with Bioclastic inclusions
Sandstone (Quartz-rich)
Arenite (primarily SiO2)
Quartzite with Quartz Vein
Quartzite (primarily SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartzite Pebble
Metamorphic Quartzite
Quartzite
Quartzite (Metamorphosed Quartz Sandstone)
Quartzite
Metamorphic Quartzite