Sandstone
Arenite (SiO2 primarily)
Category
Browse man made glass mineral simulant specimens identified by the Rock Identifier community.
Sandstone
Arenite (SiO2 primarily)
Sandstone
Arenite (SiO2 based)
Quartz
Silicon Dioxide (SiO2)
Rose Quartz
SiO2 (Silicon Dioxide)
Quartz with Iron Staining
Silicon dioxide (SiO2)
Milky Quartz with Iron Inclusions
Crystalline Silicon Dioxide (SiO2)
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz (Common or Milky)
Silicon Dioxide (SiO2)
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) in matrix
Clear Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Cloudy Quartz
Silicon Dioxide (SiO2)
Quartz-rich metamorphic rock, likely quartzite
Quartzite; predominantly microcrystalline quartz (SiO₂), possibly with mica or feldspar
Sandstone
Arenite (clastic sedimentary rock)
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Quartz Crystal
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Quartz pebble with iron inclusions
Silicon Dioxide (SiO2)
Quartz (Common or Milky)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz (Clear or Cloudy)
Silicon Dioxide (SiO2)
Quartz Crystal Fragment
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Polished ocean jasper (orbicular jasper), probable
Microcrystalline quartz/chalcedony (SiO₂) with iron-oxide and other mineral inclusions
Lapis Lazuli
Lazurite-rich metamorphic rock (approx. (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)
Quartz-rich granite or granitic pegmatite
Coarse crystalline aggregate of quartz (SiO₂), feldspar, and mica; exact identification is uncertain from the image
Quartz Pebble
Silicon Dioxide (SiO2)
Sandstone (Ferruginous)
Arenite with Iron-Oxide Cement
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite
Green Fluorite
Calcium Fluoride (CaF2)
Quartz (Milky or Cloudy Quartz)
Silicon Dioxide (SiO2)
Veined basalt (likely basalt with quartz/calcite vein)
Basalt, aphanitic mafic volcanic rock; vein minerals likely quartz (SiO₂) or calcite (CaCO₃)
Quartz (Milky or White Quartz)
Silicon Dioxide (SiO2)
Green Jasper
Microcrystalline Quartz (SiO2)