Milky Quartz with Iron Inclusions
Crystalline Silicon Dioxide (SiO2)
Category
Browse mineral simulant (synthetic glass) specimens identified by the Rock Identifier community.
Milky Quartz with Iron Inclusions
Crystalline Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Obsidian
Volcanic Glass (Primary composition: SiO2 - Silicon Dioxide)
Sandstone (Ferruginous)
Arenite (with Iron Oxides)
Chert (Jasper variety)
Silicon dioxide (SiO2)
Quartz Pebble
Silicon dioxide (SiO2)
Green Aventurine
Quartzite with Fuchsite inclusions (SiO2 with K(Al,Cr)2AlSi3O10(OH)2)
Snowflake Obsidian
Obsidian with Cristobalite inclusions (Amorphous SiO2 + SiO2 inclusions)
Blue Quartzite
Quartzite (silicon dioxide, SiO2)
Likely weathered quartz-rich rock, possibly smoky quartz or chert
Quartz (SiO₂), though exact identification is uncertain from the photograph
Clear Quartz
Silicon Dioxide (SiO2)
Rose Quartz
Rose Quartz (SiO2 with trace titanium, iron, or manganese)
Sandstone (Pebble)
Sandstone (SiO2 with matrix/cement)
Sandstone
Arenite (SiO2 composed primarily of quartz)
Sandstone
Arenite (SiO2 primarily)
Red Sandstone
Arenite (SiO2 with Iron Oxide impurities)
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
Sandstone (Red/Brown)
Arenite (composed primarily of SiO2)
Sandstone
Arenite (SiO2 based)
Sandstone
Arenite
Sandstone
Arenite (SiO2 based)
Possible tektite or dark volcanic rock fragment
Uncertain; likely natural silicate glass (tektite) or basalt
Sandstone (Banded)
Arenite (primarily SiO2)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Quartzite (Coldwater or Druzy Quartz over Quartzite)
SiO2 (Silicon Dioxide)
Quartz Pebble
Silica (SiO2)
Yellow or Honey Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Quartz (Small Pebble)
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz pebble
Silicon dioxide (SiO2)
Quartz Geode
Crystalline Quartz (Silicon Dioxide, SiO2)
Sandstone (with potential iron-oxide staining)
Arenite (primarily SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (specifically Clear Quartz or Rock Crystal)
Silicon Dioxide (SiO2)
Potassium Feldspar
K-Feldspar (KAlSi3O8)
Sandstone (likely Quartzose Sandstone pebble)
Arenite (primarily SiO2)
Yellow Quartz Pebble
Silicon Dioxide (SiO2)
Obsidian
Volcanic Glass (Amorphous Silica)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)