Quartz (Milky/Common)
Silicon Dioxide (SiO2)
mineral
Category
Manufactured Glass
Browse manufactured glass specimens identified by the Rock Identifier community.
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Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (Industrial byproduct)
mineraloid
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Boxwork or Septarian Concretion
Septarian nodule / Boxwork weathering
sedimentary
Opalite
Synthetic Silicon Dioxide (SiO2)
mineral
Weathered gray rock fragment
Likely quartz-rich sandstone or weakly metamorphosed sandstone; exact identification is uncertain from the photograph
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz (Yellow/Citrine variety)
Crystalline Silicon Dioxide (SiO2)
mineral
Sandstone Pebble
Sedimentary Clastic Rock (Quartz Arenite)
sedimentary
Sandstone
Sedimentary Rock (Quartz arenite or arkose)
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
White Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Sandstone
Sedimentary Rock (Quartz Arenite)
sedimentary
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone
Sedimentary Clastic Rock
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Sandstone or Weathered Conglomerate
Sedimentary Rock (Quartzose Sandstone / Lithic Arenite)
sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone
Clastic Sedimentary Rock
sedimentary
Sandstone
Clastic sedimentary rock
sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone
Sedimentary rock composed mainly of quartz sand
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Quartz Arenite / Sandstone
Quartz sandstone (SiO2 rich clastic sedimentary rock)
sedimentary
White Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Crystal
Silicon Dioxide (SiO2)
mineral
Sandstone
Sedimentary Rock (Quartz arenite)
sedimentary
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 staining)
sedimentary
Milky Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Sandstone
Arenite (Sandstone)
sedimentary
Milky Quartz on Matrix
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone
Arenite (SiO2 composition dominant)
sedimentary