Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Category
Browse metamorphic rock (variety of quartz) specimens identified by the Rock Identifier community.
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2) with aluminum impurities
Fuchsite on Quartz
Muscovite (KAl2(AlSi3O10)(OH)2) with Chromium impurities
Quartzite
Quartzite (composed primarily of SiO2)
Quartzite
Quartzite (primarily SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Smoky Quartz
Smoky Quartz (SiO2: Silicon Dioxide)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO₂)
Quartzite
Quartzite (chiefly SiO2)
Quartz (Rock Crystal)
Quartz (SiO₂ - Silicon Dioxide)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Quartz / Quartzite
Quartz (Silicon Dioxide, SiO2)
Quartz
Quartz (SiO₂ - Silicon Dioxide)
Quartz (Milky/Smoky variety)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Quartz (likely) / Siliceous rock with quartz phenocrysts (if a rock fragment)
Quartz (SiO₂)
Quartzite
Quartzite (SiO2-dominant rock)
Red Quartzite (likely Purple/Red variety)
Quartzite (SiO2)
Milky Quartz
Crystalline Quartz (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
SiO2 (Silicon Dioxide)
Quartzite
Quartzite (SiO2)
Tiger's Eye
Silicon dioxide (SiO2) with fibrous inclusions of crocidolite
Milky Quartz
Silicon Dioxide (SiO2)
White Jade / White Chalcedony
Nephrite Jade (Ca2(Mg,Fe)5Si8O22(OH)2) or Chalcedony (SiO2)
Yellow Quartzite
Quartzite (SiO2)
Dalmatian Stone (Dalmatian Jasper)
Peralkaline Quartz-Feldspar Porphyry with Arfvedsonite
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Quartz (SiO₂)
Emerald in Matrix
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
Quartz
Quartz (SiO2 - Silicon Dioxide)
Green Tiger's Eye
Silicified Crocidolite (Quartz variety, SiO2)
Quartz (likely Milky Quartz)
Quartz (SiO₂ - Silicon Dioxide)