Quartzite Pebble
Quartzite (SiO2)
Category
Browse sedimentary (microcrystalline quartz) specimens identified by the Rock Identifier community.
Quartzite Pebble
Quartzite (SiO2)
Quartzite
Quartzite (SiO2)
Quartzite with Feldspar
Quartzite (mainly SiO2) with inclusions of Potassium Feldspar (KAlSi3O8)
Quartzite
Quartzite (primarily SiO2)
Yellow Quartzite
Quartzite (primarily Silicon Dioxide - SiO2)
Pink Quartzite
Quartzite (mainly SiO2 with iron oxide impurities)
Quartzite
Quartzite (composed primarily of SiO2)
Quartzite
Quartzite (SiO2)
Quartzite
Metamorphosed Sandstone (SiO2)
Quartzite
Quartzite (SiO2)
Pyrite on Quartz matrix
Iron Disulfide (FeS2) on Silicon Dioxide (SiO2)
White Quartz Star
Silicon Dioxide (SiO2)
Green Aventurine
Quartzite with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)
Quartz Pebble
Silicon Dioxide (SiO2)
Green Aventurine
Aventurine Quartz (SiO2 with inclusions of Fuchsite)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz Vein in Host Rock (Likely Slate or Shale)
Hydrothermal Quartz (SiO2) in Pelitic host rock
Milky Quartz
Silicon Dioxide (SiO2)
Quartzite
Quartzite (SiO2)
Quartzite
Metamorphic Quartz (SiO2)
Quartzite
Quartzite (SiO2)
Orange Quartzite (with Iron Staining)
Quartzite (SiO2)
Banded Agate (variety of Chalcedony)
Agate (SiO2)
Quartz (Druzy Quartz)
Silicon Dioxide (SiO2)
Green Aventurine
Silicon Dioxide (Quartz) with inclusions of Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)
Sandstone (Banded)
Clastic Sedimentary Rock (primarily SiO2 with Iron Oxide staining)
Quartz Pebble (Iron-stained)
Silicon Dioxide (SiO2)
Dream Amethyst (Chevron Amethyst)
Silicon Dioxide (SiO2) with iron impurities and gamma radiation exposure
Blue-dyed Quartz Druzy
Silicon Dioxide (SiO2) with artificial pigment
Green Aventurine
Silicon Dioxide (Quartz with Fuchsite inclusions), SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2
Quartzite
Quartzite (primarily SiO2)
Quartzite
Quartzite (primarily SiO2)
Quartzite
Quartzite (SiO2)
Quartzite
Quartzite (SiO2)
Quartzite
Quartzite (primarily SiO2)
Quartzite pebble
Quartzite (primarily SiO2)
Quartzite Cobble
Quartzite (SiO2)
Carnelian (Chalcedony variety)
SiO2 (Silicon Dioxide)
Ferruginous Quartz
Silicon Dioxide (SiO2) with Iron Oxide (Hematite/Limonite) inclusions
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
Ferruginous Quartz
Silicon Dioxide (SiO2) with Hematite (Fe2O3) or Limonite (FeO(OH) nH2O)
Quartz with Mica inclusions (likely Schist or Gneiss host)
Silicon Dioxide (SiO2) with Phyllosilicates (KAl2(AlSi3O10)(OH)2)