Quartz (Milky/Smoky variety)
Silicon Dioxide (SiO2)
Category
Browse mineral simulant (synthetic glass) specimens identified by the Rock Identifier community.
Quartz (Milky/Smoky variety)
Silicon Dioxide (SiO2)
Sandstone
Arenite (SiO2 primarily)
Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky quartz
Quartz, silicon dioxide (SiO₂)
Milky Quartz
Silicon Dioxide (SiO2)
Smoky quartz
Quartz (SiO₂), brown-to-gray smoky variety
Lepidolite Pebble
K(Li,Al)3(Al,Si,3O10)(F,OH)2
Milky Quartz (Druzy Coating)
Silicon Dioxide (SiO2)
Herkimer Diamond
Quartz (Silicon Dioxide - SiO2)
Quartz (Clear Quartz/Rock Crystal)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Pink Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Pink Feldspar with Quartz
Potassium Feldspar (Orthoclase) with SiO2
Sandstone
Arenite (SiO2 based with mineral cements)
Quartz (Milky or Druzy Quartz)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Aquamarine
Beryl (Be3Al2Si6O18) with trace Iron (Fe2+)
Tumbled Stones Collection (Tiger's Eye, Snowflake Obsidian, Aventurine, etc.)
Silica minerals (primarily SiO2)
Quartz Vein in Host Rock (often Granite or Schist)
Silicon Dioxide (SiO2) within host matrix
Snowflake Obsidian
Volcanic glass containing Spherulitic inclusions (SiO2 + impurities)
Quartz (Clear/Crystalline)
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Fluorite Tower
Fluorite (Calcium Fluoride - CaF2)
Milky Quartz in Epidote Host Rock
Crystalline Silicon Dioxide (SiO2) with Epidote Ca2(Al,Fe)3(SiO4)3(OH)
Sandstone
Sandstone (SiO2-rich detrital sedimentary rock)
Sandstone
Sandstone (Siliciclastic Sedimentary Rock)
Sandstone or Limestone
Arenite or Calcareous Sedimentary Rock
Sandstone (likely Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
Sandstone (likely Arkose or Quartz Sandstone)
Clastic sedimentary rock (primarily SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Fluorite
Calcium Fluoride (CaF2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Geode (Water-worn)
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
White quartz pebble
Quartz (silicon dioxide, SiO₂), likely milky quartz
Quartz (Milky/Clear Quartz)
Silicon Dioxide (SiO2)
Quartz Druzy
Silicon Dioxide (SiO2)
Amazonite with Smoky Quartz and Feldspar
Microcline (KAlSi3O8) with Quartz (SiO2)