Quartzite
Quartzite (primarily SiO2)
Category
Browse metamorphic rock (variety of quartz) specimens identified by the Rock Identifier community.
Quartzite
Quartzite (primarily SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Pink Granite Porphyry Cobble
Porphyritic K-Feldspar Granite
Aventurine
Quartzite with inclusions (SiO2 containing Fuchsite chrome mica)
Quartzite
Quartzite (SiO2)
Quartzite
Quartzite (composed primarily of Quartz, SiO2)
Quartzite
Quartzite (SiO2)
Quartzite
Quartzite (Silicon Dioxide, SiO2)
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite
Quartzite with Iron Mineral Banding
Silicon Dioxide (SiO2) with Ferric Oxide (Fe2O3) staining
Quartzite River Rock
Quartzite (primarily SiO2)
Yellow Calcite
Calcite (Calcium Carbonate, CaCO3)
Quartzite Pebble
Metamorphic Quartzite (SiO2)
Blue Dyed Agate
Chalcedony (cryptocrystalline variety of Quartz), SiO2
Jasper
Jasper (Silicon Dioxide, SiO2)
Quartz Vein
Silicon Dioxide (SiO2)
Quartz (Druzy)
Silicon Dioxide (SiO2)
Banded Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Quartz (Milky/Crystalline variety)
Silicon Dioxide (SiO2)
Red Quartzite
Quartzite (primarily SiO2)
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
Quartzite
Quartzite (composed primarily of Quartz, SiO2)
Quartzite
Quartzite (SiO2)
Quartzite
Metamorphosed Quartz Sandstone
Quartzite
Quartzite (SiO2)
Yellow Jasper
Silicon Dioxide with Limonite/Goethite inclusions (SiO2)
Quartzite pebble
Quartzite (composed primarily of Quartz, SiO2)
Chert (also known as Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Unakite
Epidotized Granite
Quartzite
Quartzite (primarily SiO2)
Gneiss with Quartz Veining
Gneiss (High-grade Metamorphic Rock)
Quartz Crystal
Quartz (SiO₂)
Yellow Jasper
Silicon dioxide (SiO2)
Geode with Quartz and Chalcedony
Silicon Dioxide (SiO2)
Gneiss
Gneiss (High-grade regional metamorphic rock)
Chert (Flint)
Microcrystalline quartz (SiO2)
Quartz
Silicon Dioxide (SiO2)
River Cobble (likely Metasedimentary or Basalt)
Metamorphosed Siltstone or Altered Fine-grained Igneous Rock
Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
Red Jasper
Microcrystalline Quartz (SiO2 with Iron Oxide impurities)
Smoky Quartz
Silicon Dioxide (SiO2)