Milky Quartz
Silicon Dioxide (SiO2)
Category
Browse man made glass mineral simulant specimens identified by the Rock Identifier community.
Milky Quartz
Silicon Dioxide (SiO2)
Green Fluorite
Calcium Fluoride (CaF2)
Yellow Quartz Pebble
Silicon Dioxide (SiO2)
Quartz pebble
Silicon dioxide (SiO2)
Quartz (Jasper / Chert)
Silicon Dioxide (SiO2)
Sapphire (Blue)
Corundum (Al2O3)
Milky quartz (quartz-rich rock)
Quartz, silicon dioxide (SiO₂); likely massive quartz with minor iron-stained impurities
Limonite-stained Quartz
Silicon Dioxide (SiO2) with Iron Oxide/Hydroxide (FeO(OH)·nH2O) staining
Clear Quartz (Faceted)
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz / Quartzite Fragment
Silicon Dioxide (SiO2)
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
Quartz with Chlorite or Hornblende inclusions
Silicon dioxide (SiO2) with phyllosilicate or amphibole inclusions
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (Druzy) on Matrix
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz with Iron Staining
Silicon Dioxide (SiO2) with Goethite/Limonite inclusions
Citrine (Heat-treated Amethyst)
Silicon Dioxide (SiO2) with iron impurities
Potassium Feldspar
Orthoclase (KAlSi3O8)
Sandstone
Arenite (composed primarily of SiO2)
Quartzite
Quartzite (SiO2)
Quartz in Host Rock
Silicon Dioxide (SiO2) in Rhyolite or Granite matrix
Milky Quartz
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (Quarzite or Massive Quartz vein)
Silicon Dioxide (SiO2)
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Pyrite
Iron Sulfide (FeS2)
Black Obsidian
Obsidian (Volcanic Glass)
Black Obsidian
Volcanic Glass (SiO2)
Quartz pebble
Silicon dioxide (SiO2)
Sandstone
Clastic sedimentary rock (primarily quartz arenite)
Sandstone
Clastic Sedimentary Rock
Sandstone
Arenite (SiO2 dominated sandstone)
Sandstone
Arenite
Sandstone
Arenite (SiO2 primarily)
Feldspar (Plagioclase / Potassium Feldspar)
Feldspar Group (KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8)
Quartz
Silicon Dioxide (SiO2)
Quartz (Chert/Quartzite variant)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Black Obsidian
Volcanic Glass (predominantly SiO2)
Quartz Crystal on Matrix
Silicon Dioxide (SiO2)