Sandstone
Arenite
Category
Browse mineral simulant (synthetic glass) specimens identified by the Rock Identifier community.
Sandstone
Arenite
Sandstone
Arenite (Sandstone)
Sandstone
Arenite (primarily SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz with Inclusions
Silicon Dioxide (SiO2) with mineral inclusions
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
Sandstone
Arenite (composed primarily of SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky quartz
Quartz (silicon dioxide, SiO₂)
Copper and Quartz beads
Native Copper (Cu) and Crystalline Quartz (SiO2)
Quartz
Silicon Dioxide (SiO2)
Grey Quartz (likely Smoky Quartz or Milky Quartz)
Silicon Dioxide (SiO2)
Red Sandstone
Arenite (Ferruginous Sandstone)
Quartz Crystal Fragment
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Chert
Chert (Microcrystalline Quartz, SiO2)
Smoky Quartz
Silicon Dioxide (SiO2) with natural radiation treatment
Green Aventurine
Quartz (Silicon Dioxide with Fuchsite inclusions - SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)
Green Aventurine
Silicon Dioxide (Quartz) with Fuchsite inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
Green Aventurine
SiO2 (Silicon Dioxide with Fuchsite inclusions)
Aventurine
SiO2 (Silicon Dioxide with Fuchsite inclusions)
Green Aventurine
Aventurine Quartz (SiO2 with inclusions of Fuchsite mica)
Quartz
Silicon dioxide (SiO2)
Quartz (Smoky/Grey Quartz Variant)
Silicon Dioxide (SiO2)
Quartz (Yellow/Citrine Variety)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Gravel Fragment)
Silicon Dioxide (SiO2)
Black Obsidian (Faceted)
Volcanic Glass (Amorphous Silicon Dioxide)
Black Obsidian
Volcanic Glass (Primary composition: SiO2 - Silicon Dioxide)
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)
Green Aventurine
Aventurine Quartz (SiO2 with inclusions)
White Quartz with Black Tourmaline
Silicon Dioxide (SiO2) with Schorl (NaFe2+3Al6(Si6O18)(BO3)3(OH)3OH)
Jasper
Microcrystalline Quartz (SiO2)
Opalite (Man-made Glass)
Fused glass (typically made of dolomite and metal opacifiers)
Quartz Pebble (with Mica or Iron staining)
Silicon Dioxide (SiO2)
River Pebble (Brecciated Chert/Siltstone)
Silicon Dioxide (SiO2) with mineral inclusions