Quartzite
Quartzite (primarily SiO2)
Category
Browse sedimentary (microcrystalline quartz) specimens identified by the Rock Identifier community.
Quartzite
Quartzite (primarily SiO2)
Quartzite (River Pebble)
Metamorphosed Quartz-rich Sandstone (SiO2)
Quartzite Pebble
Quartzite (SiO2)
Kyanite in Quartz
Al2SiO5 in SiO2
Quartzite
Quartzite (SiO2)
Quartz (likely a clear or rock crystal variety)
Quartz (SiO2 - Silicon Dioxide)
Quartzite
Quartzite (primarily SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Quartzite Pebble
Quartzite (SiO2)
Quartzite
Quartzite (primarily SiO2)
Quartzite
Quartzite (SiO2)
Agate (Chalcedony)
Agate (Silicon Dioxide - SiO2)
River Stone (likely Quartzite or Chert)
Recrystallized Silicon Dioxide (SiO2)
Yellow Quartzite
Quartzite (primarily SiO2)
Red Quartzite (Ferruginous Quartz)
Quartzite (SiO2 with Fe2O3 inclusions)
Quartzite
Metamorphic Quartzite (SiO2)
Blue Quartzite
Silicon Dioxide (SiO2) with inclusions
Quartz (Milky or Cloudy Quartz)
Silicon Dioxide (SiO2)
Geode or Concretion
Silica-filled nodule (likely SiO2)
Sandstone (Ferruginous)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 cement)
Clear Quartz crystals on a Matrix base (Geode fragment)
Silicon Dioxide (SiO2)
Puddingstone (Gowganda Tillite/Lorrain Quartzite)
Jasper Conglomerate
Banded Agate (Brazilian Agate Slice)
Chalcedony (Silicon Dioxide / SiO2)
Quartzite Pebble
Quartzite (primarily SiO2)
Green Tree Agate
Agate (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartzite (with mineral vein)
Metamorphosed Quartz-rich Sandstone (SiO2)
Ferruginous Quartz
Silicon Dioxide (SiO2) with Hematite/Limonite (Fe2O3·nH2O) inclusions
Dyed Agate
Agate (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartzite
Quartzite (chiefly SiO2)
Quartzite
Quartzite (SiO2)
Quartz
Quartz (Silicon Dioxide - SiO2)
Rock Crystal Quartz
Quartz (SiO₂)
White Quartz Pebble
Crystalline Silicon Dioxide (SiO2)
Green Quartzite
Quartzite (SiO2)
River Quartzite (River Rock)
Quartzite (SiO2)
Quartzite
Quartzite (primarily Silicon Dioxide, SiO2)
Quartzite (Iron-stained River Rock)
Metamorphic Rock consisting primarily of Quartz (SiO2)
Quartzite (Yellow/Iron-stained Quartz)
Quartzite (primarily SiO2 with iron oxide impurities)
Pink Quartzite (Water-worn)
Quartzite (SiO2)
Clear Quartz Crystal
Silicon Dioxide (SiO2)