Granite (River Cobble)
Phaneritic Plutonic Felsic Rock (Granite)
Category
Browse quartz specimens identified by the Rock Identifier community.
Granite (River Cobble)
Phaneritic Plutonic Felsic Rock (Granite)
Quartzite
Metamorphosed Quartz Sandstone
Jasper
Silicon dioxide (SiO2)
Dyed Quartz Geode
Silicon Dioxide (SiO2) with artificial pigment
Quartzite Pebble
Metamorphic Quartz (SiO2)
Chert (potentially Jasper or Agatized Chert)
Microcrystalline Quartz (SiO2)
Chert (Basanite variety)
Microcrystalline Quartz (SiO2)
Dumortierite Quartz (Blue Quartz)
Al7BO3(SiO4)3O3 (Aluminum Boro-silicate included in Quartz)
Quartz with Muscovite Mica
Silicon Dioxide (SiO2) with Potassium Aluminum Silicate Hydroxide (KAl2(AlSi3O10)(OH)2)
Fluorite, Sodalite, and Rose Quartz collection
Calcium Fluoride (CaF2), Sodium Aluminum Silicate with Chlorine (Na8(Al6Si6O24)Cl2), Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Geode
Silicon Dioxide (SiO2)
Quartz Geode
Silicon Dioxide (SiO2) in a Sedimentary Vug
Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz Pebble
Crystalline Silica (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Nut
SiO2 (Silicon Dioxide)
Quartz Pebble
Crystalline Silica (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz Geode
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Geode
Silicon Dioxide (SiO2)
Quartz Geode
Silicon Dioxide (SiO2) within a sedimentary or volcanic shell
Quartz Geode
Crystalline Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Geode
Silicon Dioxide (SiO2)
Amethyst Quartz
Silicon Dioxide (SiO2) with iron impurities
Citrine Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Lepidolite on Quartz
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 (Lepidolite) / SiO2 (Quartz)
Quartz Pebble
Silicon Dioxide (SiO2)
Citrine Quartz
Silicon Dioxide (SiO2) with ferric iron impurities
Quartz Geode
Crystalline Silicon Dioxide (SiO2) in a Geode