Quartzite
Quartzite (SiO2 prominent)
Category
Browse man made silicate (anthropogenic glass) specimens identified by the Rock Identifier community.
Quartzite
Quartzite (SiO2 prominent)
Clear Quartz
Silicon Dioxide (SiO2)
Included Quartz Beads (likely Phantom Quartz or Garden Quartz)
Quartz (SiO2) with various mineral inclusions
Fluorite
Calcium Fluoride (CaF2)
Fluorite
Calcium Fluoride (CaF2)
Milky Quartz Pebble
Crystalline Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Sandstone
Arenite (SiO2 based)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Quartzite
Quartzite (SiO2)
Sandstone (likely Arkosic or Quartzose)
Sandstone (SiO2 dominated)
Clear Quartz
Silicon Dioxide (SiO2)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone (Quartzose)
Arenite (predominantly SiO2)
Sandstone (Quartz Arenite)
Sandstone (Chemical formula: primarily SiO2)
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Sandstone (Quartz Arenite)
Sandstone (SiO2 with possible mineral cements)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone (likely Quartzose type)
Clastic sedimentary rock (primarily SiO2)
Sandstone (Quartzose Sandstone)
Arenite (SiO2 primarily)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone (with Iron Staining)
Clastic sedimentary rock (SiO2 with Fe2O3 impurities)
Quartz
Silicon Dioxide (SiO2)
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Rough Quartz (likely Rose or Smoky variant)
Silicon Dioxide (SiO2)
Sandstone (specifically Lithic or Quartz Arenite)
Arenite (composed primarily of SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Clear Quartz/Rock Crystal)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Clear/White)
Silicon Dioxide (SiO2)
Sandstone (Weathered)
Arenite (primarily SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Clear Quartz Crystal Cluster
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
Clear Quartz
Quartz (Silicon Dioxide - SiO2)
Chert (and Flint variant)
Chert (SiO2)
Limestone
Calcite (CaCO3)