Quartzite
Quartzite (primarily SiO2)
Category
Browse metamorphic rock (variety of quartz) specimens identified by the Rock Identifier community.
Quartzite
Quartzite (primarily SiO2)
Quartzite
Metamorphic rock primarily composed of Quartz (SiO2)
Quartz
Quartz (SiO2 - Silicon Dioxide)
Quartzite
Quartzite (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (River Pebble)
Silicon Dioxide (SiO2)
Clear Quartz
Silicon dioxide (SiO2)
Quartz Crystal Point
Silicon Dioxide (SiO2)
Sandstone (Micaceous Sandstone)
Arenite (SiO2 with KAl2(AlSi3O10)(OH)2 inclusions)
Yellow Aventurine
Silicon Dioxide (Quartz with inclusions), SiO2
Quartz Geode with Calcite
Silicon Dioxide (SiO2) with Calcium Carbonate (CaCO3)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz (likely Milky Quartz or Chalcedony)
Quartz (SiO2 - Silicon Dioxide)
Green Aventurine and Clear Quartz
Green Aventurine (Silicon Dioxide - SiO2 with Fuchsite inclusions); Clear Quartz (Silicon Dioxide - SiO2)
White Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartzite
Quartzite (SiO2)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Gneiss
Gneiss
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz
Quartz (SiO2, Silicon Dioxide)
Quartz
Silicon Dioxide (SiO₂)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz with Schist Inclusion
Crystalline Silicon Dioxide (SiO2) with Muscovite/Biotite Schist
Mica Schist
Mica Schist (primarily Muscovite or Biotite sheet silicates)
Tiger's Eye
Tiger's Eye (a variety of Chalcedony, which is a microcrystalline quartz with fibrous inclusions of oxidized crocidolite)
Quartzite
Metamorphic rock (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Ferruginous Quartz
Silicon Dioxide (SiO2) with Hematite/Limonite inclusions
Milky Quartz
Crystalline Silicon Dioxide (SiO2)
Banded Agate (Gray/Brown)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Green Aventurine
Silicon Dioxide (Quartz variety) with Fuchsite inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
Milky Quartz
Silicon Dioxide (SiO2)
Blue Sapphire
Corundum (Al2O3)
Grey Agate (Tumbled)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)