Sandstone
Sedimentary quartz arenite
sedimentary
Category
Mineral Simulant (Synthetic Glass)
Browse mineral simulant (synthetic glass) specimens identified by the Rock Identifier community.
Learn about Mineral Simulant (Synthetic Glass) in the encyclopedia
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Quartz Pebble
Silicon dioxide (SiO2)
mineral
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Moldavite
Tektite (Natural Silicate Glass)
gemstone
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Milky or Druzy Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (River Pebble)
Silicon Dioxide (SiO2)
mineral
Sandstone Pebble
Sedimentary Clastic Rock (Quartz Arenite)
sedimentary
Sandstone (with Chert/Quartzite)
Arenite (SiO2 primarily)
sedimentary
Sandstone (Quartzite-rich)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Red Jasper
Jasper (Silicate Mineral - SiO2)
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
Mineral
Chert (Jasper variation)
Chert (Cryptocrystalline microcrystalline Silicon Dioxide, SiO2)
sedimentary
Quartz Crystal (Citrine / Golden Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz with Tourmaline
Silicon Dioxide (SiO2) with complex cyclosilicate inclusions
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Chalcedony (Yellow Agate)
Cryptocrystalline Quartz (SiO2)
mineral
Tumbled brown quartz/chalcedony (probable)
Quartz, SiO₂; possibly brown chalcedony or jasper
mineral
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 (Lithium-bearing mica)
mineral
Quartz (Druzy)
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Feldspar (Orthoclase)
Potassium Feldspar (KAlSi3O8)
mineral
Milky Quartz (Stained with Iron)
Silicon Dioxide (SiO2)
mineral
Milky Quartz with Mica inclusions
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Aventurine
Aventurine Quartz (SiO2 with inclusions)
metamorphic
Black Obsidian
Amorphous volcanic glass (SiO2)
igneous
Mahogany Obsidian
Volcanic Glass (SiO2 + Fe2O3)
igneous
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
mineral
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Chert (Flint)
Silicon dioxide (SiO2)
sedimentary
Quartzite River Rock
Quartzite (primarily SiO2)
metamorphic