Quartz
Silicon Dioxide (SiO2)
Category
Browse metamorphic or igneous (context dependent) specimens identified by the Rock Identifier community.
Quartz
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Amazonite
Microcline (KAlSi3O8)
Smoky Quartz
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon dioxide (SiO2)
Mystic Topaz (Treated Quartz or Topaz)
Silicate Mineral (SiO2 or Al2SiO4(F,OH)2) with Titanium coating
Quartz with Matrix
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Chert/Chalcedony variety)
Silicon Dioxide (SiO2)
Clear Quartz Crystal Cluster
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz
Quartz (Silicon Dioxide, SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Green Aventurine
Silicon Dioxide (Quartz) with Fuchsite inclusions (SiO2)
Quartz (Milky/Clear Quartz)
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Green Calcite
Calcium Carbonate (CaCO3)
Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Gold Nugget / Placer Gold
Native Gold (Au)
Green Aventurine (or Jadeite/Nephrite Jade)
SiO2 (Silicon Dioxide) - Aventurine Quartz
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Quartz
SiO2 (Silicon dioxide)
Quartz (River Pebble)
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Banded Agate (Dyed)
Silicon Dioxide (SiO2) with impurities
Amazonite
Microcline (KAlSi3O8) with trace lead (Pb)
Quartz (Milk or Clear Variety)
Silicon Dioxide (SiO2)
Aquamarine (Tumbled)
Beryl (Be3Al2Si6O18)
Magnetite Nodule
Magnetite (Fe3O4)
Quartz Pebble
Silicon Dioxide (SiO2)
Amethyst Quartz
Silicon Dioxide (SiO2) with iron impurities
Quartz Pebble
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2) with natural radiation treatment
Smoky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (SiO2)
Faceted Clear Quartz
Crystalline Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz Crystal Cluster on Matrix
Silicon Dioxide (SiO2)
Citrine
Silicon Dioxide (SiO2) with Fe3+ impurities