Quartz
Silicon Dioxide (SiO2)
Category
Browse metamorphic, likely sedimentary with quartz veins specimens identified by the Rock Identifier community.
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz (Milky or Yellow variety)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Weathered quartz-rich rock, likely sandstone or quartzite
Quartz arenite (sandstone) or quartzite; predominantly SiO₂
Quartz-rich breccia or vein quartz with dark inclusions
Milky quartz (SiO₂), likely brecciated and cemented with iron oxides and dark mica/amphibole minerals
Milky Quartz Pebble with Matrix
Quartz (Silicon Dioxide, SiO2)
Milky Quartz/White Quartz
Silicon Dioxide (SiO2)
Quartz (Milky/Crystal Variety)
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Likely calcite or quartz fragment
Uncertain from image; calcite (CaCO₃) is the leading possibility, with quartz (SiO₂) another possibility
Blue-gray quartz-bearing metamorphic rock (likely gneiss or schist)
Quartz–feldspar–mica rock; exact identification requires testing
Iron-stained quartz (likely quartzite or quartz-rich rock)
Quartz, silicon dioxide (SiO₂), with iron-oxide staining
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)