Clear Quartz
Crystalline Silicon Dioxide (SiO2)
Category
Browse metamorphic, likely sedimentary with quartz veins specimens identified by the Rock Identifier community.
Clear Quartz
Crystalline Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Quartz (Milky/Iron-stained)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silica / Silicon Dioxide, SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Orange Calcite (Cleavage Rhomb)
Calcite (Calcium Carbonate, CaCO3)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Gray Quartz (Tumbled)
Silicon Dioxide (SiO2)
Quartz (Smoky/Milky variant)
Silicon Dioxide (SiO2)
Quartz (Milky/Smoky variety)
Silicon Dioxide (SiO2)
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Clear/White)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Orange Calcite (likely polished specimen)
Calcite
Quartzite River Rock
Quartzite (primarily SiO2)
Pyrite
Iron Sulfide (FeS2)
Pink Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
Quartzite with Quartz Vein
Metamorphosed sandstone (SiO2)
Quartzite with Quartz Veining
Quartzite (primarily SiO2)
Banded Chert or Chert with Quartz Veins
Chert (SiO2)
Gneiss (specifically a Banded Gneiss pebble)
Gneiss (High-grade Regional Metamorphic Rock)
Micaceous Sandstone or Quartzite
Sandstone (lithified quartz grains, often with mica) or Quartzite (metamorphosed sandstone)
Conglomerate with Quartz Inclusions
Conglomerate (clastic sedimentary rock) with internal Quartz (SiO2)
Quartzite (Ferruginous)
Metamorphosed Quartz Sandstone (SiO2 with Fe2O3 inclusions)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Clear Quartz Crystal
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Orange Quartzite / Carnelian Agate
Silicon Dioxide (SiO2)
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Quartz (Milky/Chalcedony variety)
Silicon Dioxide (SiO2)
White Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Geode (Unopened)
Siliceous Septarian Concretion / Geode (SiO2)
Citrine Quartz
Silicon Dioxide (SiO2)
Yellow Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartzite Cobble
Metamorphosed Quartz Sandstone (primarily SiO2)