Quartz (Common or Milky Quartz)
Silicon Dioxide (SiO2)
Category
Browse mineral simulant (synthetic glass) specimens identified by the Rock Identifier community.
Quartz (Common or Milky Quartz)
Silicon Dioxide (SiO2)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Mica (specimen appears to be Muscovite or Phlogopite)
Phyllosilicate mineral; Muscovite: KAl2(AlSi3O10)(F,OH)2
Amethyst
Amethyst (Silicon Dioxide with iron impurities), SiO2
Citrine (likely Heat-Treated Amethyst)
Silicon Dioxide (SiO2)
Chalcedony with Druzy Quartz Geode
Silicon Dioxide (SiO2)
Sandstone (Quartzite Pebble)
Arenite (SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone (likely Arkosic or Quartzose)
Sandstone (SiO2 dominated)
Amethyst (Rough Crystal)
Silicon Dioxide (SiO2 with ferric iron impurities)
Ferruginous Quartz
Iron-stained Quartz (Silicon Dioxide + Fe2O3 / FeO(OH))
Quartz (Milky or Smoky Quartz)
Quartz (Silicon Dioxide, SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Amethyst Quartz Pebble
Silicon Dioxide (SiO2) with iron impurities
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
Quartz (Milky Quartz/Citrine Type)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Massive Milky Quartz (with Iron Inclusions)
Quartz (Silicon Dioxide, SiO2)
Quartz
Silicon dioxide (SiO2)
Quartz Vein with Iron Staining
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Sandstone (Pebble)
Arenite (primarily SiO2)
Sandstone (Red)
Arenite (primarily Quartz, SiO2, with Iron Oxide cement)
Milky Quartz Geode with Chlorite
Silicon Dioxide (SiO2) with Chlorite group inclusions
Quartz / Quartzite Pebble
Silicon Dioxide (SiO2)
Orange Quartz
Silicon Dioxide (SiO2) with iron oxide inclusions
Milky Quartz
Silicon Dioxide (SiO2)
Chert (specifically Flint or Common Chert)
Chert (Cryptocrystalline Silica, SiO2)
Quartz (Granular Milky Quartz fragment)
Silicon Dioxide (SiO2)
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions (K(Al,Cr)2AlSi3O10(OH)2)
Green Fluorite
Calcium Fluoride (CaF2)
Quartz Pebble
Silicon Dioxide (SiO2)
Iron-Stained Quartz (Riverside Cobble)
Silicon Dioxide (SiO2) with Limonite/Hematite inclusions
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
Potassium Feldspar (Orthoclase)
KAlSi3O8
White Quartz Pebble (with possible Quartz Geode cavity)
Silicon Dioxide (SiO2)
Sandstone
Arenite (composed mainly of SiO2)