Quartzite
Quartzite (SiO2)
Category
Browse metamorphic rock (variety of quartz) specimens identified by the Rock Identifier community.
Quartzite
Quartzite (SiO2)
Quartz (Milky/Crystalline variety)
Silicon Dioxide (SiO2)
Quartz / Quartzite
Quartzite (primarily Silicon Dioxide, SiO2)
Blue Dyed Agate
Chalcedony (cryptocrystalline variety of Quartz), SiO2
Gneiss with Quartz Veining
Gneiss (High-grade Metamorphic Rock)
Quartzite
Quartzite (Primary mineral: Quartz, SiO2)
Quartzite
Quartzite (primarily SiO2)
Chert (Flint variety)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chert (also known as Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Quartzite River Rock
Quartzite (primarily SiO2)
Geode with Quartz and Chalcedony
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Banded Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
Pink Granite Porphyry Cobble
Porphyritic K-Feldspar Granite
Red Quartzite
Quartzite (primarily SiO2)
Unakite
Epidotized Granite
Quartzite pebble
Quartzite (composed primarily of Quartz, SiO2)
Yellow Jasper
Silicon Dioxide with Limonite/Goethite inclusions (SiO2)
Picture Jasper
Silicon dioxide (SiO2)
Quartzite
Quartzite (primarily SiO2)
Quartzite
Quartzite (primarily SiO2)
Quartzite Pebble
Metamorphic Quartzite (primarily SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartzite Pebble
Quartzite (mostly SiO2)
Agate (Polished Nodule)
Agate (Silicon Dioxide, SiO2)
Gneiss
Gneiss (High-grade regional metamorphic rock)
Quartz / Calcite Vein Rock
Silicon Dioxide (SiO2) or Calcium Carbonate (CaCO3)
Yellow Jasper
Silicon dioxide (SiO2)
Quartz Crystal
Quartz (SiO₂)
River Cobble (likely Metasedimentary or Basalt)
Metamorphosed Siltstone or Altered Fine-grained Igneous Rock
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
Chert (Flint)
Microcrystalline quartz (SiO2)
Red Jasper
Microcrystalline Quartz (SiO2 with Iron Oxide impurities)
Quartzite
Quartzite (SiO2)
Quartzite
Quartzite (primarily SiO2)
Quartzite
Quartzite (primarily SiO2)
Quartzite
Quartzite (SiO2)
Quartzite Pebble
Quartzite (SiO2)
Quartzite
Quartzite (composed primarily of SiO2)