Quartz (White/Milky)
Silicon Dioxide (SiO2)
Category
Browse sedimentary (microcrystalline quartz) specimens identified by the Rock Identifier community.
Quartz (White/Milky)
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Quartz (Milky/Common Quartz)
Silicon Dioxide (SiO2)
Quartzite
Quartzite (chiefly SiO2)
Quartzite
Quartzite (SiO2)
Quartzite
Quartzite (primarily SiO2)
White Quartz
Quartz (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Red Jasper
Jasper (Silicon Dioxide) - SiO2
Quartzite
Quartzite (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartzite
Quartzite (primarily SiO2)
Quartzite
Quartzite (SiO2)
Orange Quartzite (River Pebble)
Quartzite (SiO2 with iron oxide impurities)
Quartzite river stone
Quartzite (SiO2)
Quartzite
Quartzite (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Quartz (likely a macrocrystalline variety like milky quartz or smoky quartz, given the appearance in the image)
Quartz (SiO₂ - Silicon Dioxide)
Quartzite (Yellow/Tan Quartz Cobble)
Metamorphosed Quartz Sandstone (SiO2)
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Quartzite
Quartzite (Silicon Dioxide, SiO2)
Quartzite
Quartzite (SiO2 prominent)
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Petrified Wood
Silicified Wood (SiO2)
Garnet in Quartz Matrix
Almandine Garnet (Fe3Al2(SiO4)3) in Quartz (SiO2)
Quartzite
Quartzite (primarily SiO2)
Blue Agate (Dyed)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Quartz (Iron-stained or Milky)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Chert (Light Variety)
Sedimentary cryptocrystalline quartz (SiO2)
Yellow Chert
Sedimentary cryptocrystalline quartz (SiO2)
Chert
Sedimentary Cryptocrystalline Quartz (SiO2)
Chert (specifically a stream-worn Chert Nodule)
Sedimentary Cryptocrystalline Quartz (SiO2)
Quartzite
Quartzite (SiO2)
Druzy Chalcedony (Agate Geode)
Silica (SiO2) - Cryptocrystalline Quartz with druzy macrocrystalline quartz
Quartzite Cobble
Quartzite (SiO2)
Ferruginous Quartz
Silicon Dioxide with Iron Oxide (SiO2 + Fe2O3)
Banded Agate
Cryptocrystalline Quartz (SiO2)
Banded Agate
Cryptocrystalline Quartz (SiO2)
Banded Agate
Cryptocrystalline Quartz (SiO2)
Sandstone and Quartzite Specimens
SiO2 with varying mineral/clastic inclusions