Quartz (Bull Quartz)
Silicon Dioxide (SiO2)
mineral
Category
Synthetic Glass
Browse synthetic glass specimens identified by the Rock Identifier community.
Learn about Synthetic Glass in the encyclopedia
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Milky Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Milk Quartz (Snow Quartz)
Silicon Dioxide (SiO2)
mineral
Sandstone (Quartz Sandstone)
Arenite (SiO2 based)
sedimentary
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone (Ferruginous)
Sandstone (clastic sedimentary rock, mainly SiO2 with iron oxide cement)
sedimentary
Sandstone Cobble
Arenite (primarily Quartz Arenite)
sedimentary
Quartzite with Hematite staining
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
Mineral
Quartzite (River Stone)
Quartzite (SiO2)
metamorphic
Sandstone
Arenite (specifically Iron-stained Quartz Sandstone)
sedimentary
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone (with biological crust)
Arenite (SiO2 based)
sedimentary
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
mineral
Milky Quartz Pebble
Crystalline Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Sandstone
Arenite (SiO2, often with CaCO3 or Fe2O3 cement)
sedimentary
Quartz (Milky or Druzy Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz (Small Fragment)
Silicon Dioxide (SiO2)
mineral
Quartz (Clear Quartz/Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Sandstone Cobble
Arenite (predominantly Quartz Sandstone)
sedimentary
Sandstone or Limestone
Arenite or Calcareous Sedimentary Rock
Sedimentary
Quartz pebble
Silicon dioxide (SiO2)
mineral
Sandstone (Quartzose Sandstone)
Clastic Sedimentary Rock - Arenite
sedimentary
Sandstone
Arenite (primarily SiO2)
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone (Ferruginous)
Arenite (Fe2O3 enriched)
sedimentary
Sandstone
Arenite (primarily Quartz, SiO2)
sedimentary
Feldspar (Orthoclase)
Orthoclase (KAlSi3O8)
mineral
Quartzite pebble
Quartzite (SiO2)
metamorphic
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone (likely Conglomerate or Gritstone)
Arenite (SiO2 based)
sedimentary
Rough Quartz (likely Rose or Smoky variant)
Silicon Dioxide (SiO2)
mineral
Sandstone
Arenite (SiO2 based)
sedimentary
Quartzite and Sandstone Pebbles
Silicon dioxide (SiO2)
metamorphic and sedimentary
Quartz (River Pebble)
Silicon Dioxide (SiO2)
mineral
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral