Quartz Geode
Crystalline Quartz (Silicon Dioxide, SiO2)
Category
Browse quartz specimens identified by the Rock Identifier community.
Quartz Geode
Crystalline Quartz (Silicon Dioxide, SiO2)
Green Aventurine
Quartzite with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)
Quartz Geode
Crystalline Silicon Dioxide (SiO2) in Geode form
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz Pebble
Silicon dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz with Arsenopyrite
Silicon Dioxide (SiO2) with Iron Arsenic Sulfide (FeAsS)
Quartz Geode
Clear Quartz (Silicon Dioxide, SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Gold Nugget
Native Gold (Au)
Mother of Pearl and Onyx
Aragonite (Mother of Pearl) and Chalcedony (Onyx)
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (Druzy on Matrix)
Silicon Dioxide (SiO2)
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite mica
Gold Nugget
Native Gold (Au)
Native Gold (in earring form)
Gold (Au)
Gold Nugget
Native Gold (Au)
Amazonite
Microcline (KAlSi3O8) with lead impurities
Aventurine Quartz
Silicon Dioxide (SiO2) with inclusions of Fuchsite mica
Gold
Native Gold (Au)
Quartzite
Quartzite (SiO2)
Tiger's Eye
Tiger's Eye (SiO2 with crocidolite inclusions)
Terrazzo (Synthetic Composite Rock)
Cementitious or Epoxy Resin-bound Aggregates
Pegmatite
Pegmatitic Granite
Quartz Pebbles
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Geode
Silicon Dioxide (SiO2)
Quartz Geode
Silicon Dioxide (SiO2)
Ferruginous Quartz
Quartz (Silicon Dioxide, SiO2) with Iron Oxides
Quartz Geode
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartzite
Quartzite (SiO2)
Carnelian and White Quartz Bracelet
Silicon Dioxide (SiO2) - specifically Carnelian (Chalcedony) and Rock Crystal/Snow Quartz
Granite (specifically the Ubatuba variety)
Phaneritic Igneous Rock (Granodiorite/Monzogranite)
Red Aventurine
Aventurine Quartz (SiO2 + Hematite/Goethite)
Milky Quartz
Silicon Dioxide (SiO2)