Quartz (Clear Quartz/Rock Crystal)
Silicon Dioxide (SiO2)
Category
Browse mineral simulant (synthetic glass) specimens identified by the Rock Identifier community.
Quartz (Clear Quartz/Rock Crystal)
Silicon Dioxide (SiO2)
Citrine
Citrine (Silicon Dioxide - SiO2)
Milky Quartz/Clear Quartz Cluster
Silicon Dioxide (SiO2)
Sandstone (likely with Quartz Veining)
Arenite (primarily SiO2)
Quartz (Milky/Crystalline variety)
Silicon Dioxide (SiO2)
Yellow Quartz (Citrinated Quartz)
Silicon Dioxide (SiO2)
Quartz (Milky/Rose variety)
Silicon Dioxide (SiO2)
Smoky Quartz (Vein Quartz)
Quartz (Silicon Dioxide, SiO2)
Banded Quartz
Silicon Dioxide (SiO2)
Amethyst (Tumbled Quarz)
Silicon Dioxide (SiO2) with iron impurities
Muscovite Mica (Granitic Pegmatite)
Muscovite - KAl2(AlSi3O10)(OH)2
Quartz Pebble (Chert/Chalcedony)
Silicon Dioxide (SiO2)
Snowflake Obsidian
Spherulitic Obsidian (primarily SiO2)
Quartz / Common Opal Transition
Silicon Dioxide (SiO2)
Amethyst (Rose-tinted variation)
Silicon Dioxide (SiO2) with trace iron impurities
Smoky Quartz
Silicon Dioxide (SiO2)
Black Obsidian
Obsidian (Volcanic Glass)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Pumice or Tufa/Travertine
Pumice (if igneous) or Calcareous Tufa (if sedimentary)
Quartz (Druzy)
Silicon Dioxide (SiO2)
Quartz (Clear Quartz/Rock Crystal)
Silicon Dioxide (SiO2)
Feldspar (Orthoclase)
Orthoclase Feldspar (KAlSi3O8)
Quartz (specifically Clear Quartz or Rock Crystal)
Silicon Dioxide (SiO2)
Slag Glass
Amorphous Silica / Glass Slag
Muscovite Mica (Granitic Pegmatite)
Muscovite - KAl2(AlSi3O10)(OH)2
Black Obsidian
Obsidian (Volcanic Glass), primarily SiO2 (Silicon Dioxide)
Quartz (Milky/Chalcedony variety)
Silicon Dioxide (SiO2)
Quartzite and Jasper Pebbles
Quartzite (re-crystallized Quartz) and Cryptocrystalline Quartz (SiO2)
Quartz (Smoky or Clear variety with inclusions)
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Rose Quartz
Silicon dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Muscovite Mica
Muscovite (Potassium Mica) KAl2(AlSi3O10)(OH)2
Quartz (Milky/Clear Quartz)
Silicon Dioxide (SiO2)
Chalcedony
Cryptocrystalline Quartz (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Milky/Common Quartz)
Silicon Dioxide (SiO2)
Obsidian
Obsidian (Volcanic Glass)
Quartz (Milky or Rough Quartz)
Silicon Dioxide (SiO2)
Quartz (Clear/White)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Clear Quartz
SiO2 (Silicon Dioxide)