Quartz Pebble
Silicon Dioxide (SiO2)
Category
Browse synthetic (man made glass) specimens identified by the Rock Identifier community.
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Sandstone
Arenite (composed primarily of SiO2)
Quartz (Common or Milky)
Silicon Dioxide (SiO2)
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Sandstone (Quartzite Pebble)
Arenite (primarily SiO2)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone Cobble
Arenite (Secondary classification based on grain size)
Milky Quartz
Silicon Dioxide (SiO2)
Sandstone (Calcareous or Ferruginous)
Clastic sedimentary rock (SiO2 with CaCO3 or Fe2O3 cement)
Sandstone
Arenite (SiO2 based)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartzite Pebbles
Meta-quartzite (SiO2)
Feldspar
Potassium Feldspar (KAlSi3O8)
Sandstone
Arenite (SiO2 principal)
Sandstone (Ferruginous)
Arenite with Iron oxide staining (SiO2 with Fe2O3)
Sandstone
Arenite (Sedimentary rock composed of sand-sized minerals or rock grains)
Sandstone
Arenite
Sandstone
Arenite (primarily SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Sandstone (likely Quartzose Sandstone)
Arenite (composed primarily of SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Sandstone
Arenite (SiO2 principal component)
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily Quartz with Fe2O3 staining)
Quartzite Pebble (River Rock)
Quartzite (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Quartz
Silicon dioxide (SiO2)
Druzy Quartz on Matrix (likely Limestone or Sandstone)
Silicon Dioxide (SiO2) with various trace impurities
Quartzite Cobble
Quartzite (primarily SiO2)
Quartzite
Quartzite (SiO2)
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Quartzite Pebble
Quartzite (primarily SiO2)
Quartzite
Quartzite (SiO2)
Chert (Yellow Jasper variant)
Microcrystalline Quartz (SiO2)
Green Aventurine
Silicon Dioxide (Quartz) with inclusions of Fuchsite mica (K(Al,Cr)2(AlSi3O10)(OH)2)
Quartzite
Quartzite (primarily SiO2)
Chert (Jasper-rich)
Microcrystalline/Cryptocrystalline Quartz (SiO2)