Sandstone
Arenite (SiO2 based)
Category
Browse mineral and glass specimens identified by the Rock Identifier community.
Sandstone
Arenite (SiO2 based)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
White Quartz
Quartz (Silicon Dioxide, SiO2)
Ferruginous Quartz
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions
Quartz Vein / Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Water-worn pebble)
Silicon Dioxide (SiO2)
Clear Quartz (Crystal Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
Milk Quartz
Silicon Dioxide (SiO2)
Milky Quartz with Iron Staining
Quartz (Silicon Dioxide, SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Weathered brown mineralized rock
Likely iron-stained quartzite or quartz-rich metamorphic rock; exact identification requires testing
Quartz-bearing Ore (likely Gold-bearing Quartz)
Quartz (SiO2) with potential sulfide mineralization (Pyrite/Arsenopyrite)
Quartz (Variety: Citrine or Tumbled Chalcedony)
Silicon Dioxide (SiO2)
Blue Apatite
Calcium Phosphate (Ca5(PO4)3(F,Cl,OH))
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Dumortierite Quartz
Dumortierite in Quartz (Al6O3(BO3)(SiO4)3)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Pink Quartz
Silicon Dioxide (SiO2)
Pink Quartz
Silicon Dioxide (SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Rose Quartz
Silicon dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Tumbled Aventurine and Smoky Quartz (Ametrine variant)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Cloudy Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz and Mixed Gravel
Silicon Dioxide (SiO2) with minor impurities
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)