Rough Corundum (likely Sapphire/Zircon-bearing)
Aluminium Oxide (Al2O3)
Category
Browse metamorphic rock (variety of quartz) specimens identified by the Rock Identifier community.
Rough Corundum (likely Sapphire/Zircon-bearing)
Aluminium Oxide (Al2O3)
Milky Quartz (with Iron Oxide staining)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Crystalline Silicon Dioxide (SiO2)
Quartz (possibly milky quartz)
Quartz (Silica; SiO₂)
Quartz (Milky to Clear)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz / Silicon Dioxide (SiO2)
Yellow Quartz
Silicon Dioxide (SiO2)
Agate
Agate (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Milky Quartz (Silicon Dioxide, SiO2)
Quartz vein in metamorphic rock
Crystalline Silicon Dioxide (SiO2) in Host Rock
Ferruginous Quartz
Silicon Dioxide (SiO2) with Hematite/Limonite inclusions
Quartzite
Quartzite (SiO2)
Quartz (Milky or Smoky variety)
Silicon Dioxide (SiO2)
Brecciated Jasper
Silicon Dioxide (SiO2) with Hematite impurities
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Unakite
Epidote-Feldspar rock (specifically, a variety of granite)
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) within a metamorphic matrix
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Yellow Quartzite (River Pebble)
Quartzite (SiO2)
Quartz (milky quartz variety)
Quartz (SiO₂)
Quartzite Pebble
Quartzite (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Epidote (Unakite variety)
Epidosite (Metasomatic rock containing Ca2(Al,Fe)3(SiO4)3(OH))
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Quartz Crystal Fragment
Silicon Dioxide (SiO2)
Quartz on Matrix
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartzite River Pebble
Quartzite (primarily Silicon Dioxide, SiO2)
Milky Quartz (Tumbled)
Silicon Dioxide (SiO2)
Quartz (Milky or Cloudy Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz
SiO₂ (Silicon Dioxide)
Clear Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartzite with Quartz Vein
Quartzite (primarily SiO2)
Gneiss (with Quartz and Mica)
Gneiss