Aquamarine
Beryl (Be3Al2Si6O18 with iron impurities)
Category
Browse synthetic (glass) specimens identified by the Rock Identifier community.
Aquamarine
Beryl (Be3Al2Si6O18 with iron impurities)
Amethyst
SiO2 (Silicon Dioxide with Iron impurities)
Amethyst
Silicon Dioxide (SiO2) with iron impurities
Obsidian
Volcanic glass (SiO2 - Silicon Dioxide with impurities)
Mahogany Obsidian
Obsidian (Volcanic Glass) with Hematite/Magnetite inclusions
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Rose Quartz
Silicon Dioxide with traces of titanium, iron, or manganese (SiO2)
Clear Quartz Crystal Cluster
Silicon Dioxide (SiO2)
Chert (Jasper)
Microcrystalline Quartz (SiO2) with iron oxide impurities
Smoky Quartz
Silicon Dioxide (SiO2)
Granitic Quartz or Pegmatite
Quartz with Orthoclase Feldspar (SiO2 + KAlSi3O8)
White Quartz (Mushroom Carving)
Quartz (Silicon Dioxide - SiO2)
Quartzite
Quartzite (SiO2)
Quartz (Milky or Cloudy variety)
Silicon Dioxide (SiO2)
Chert (varietal Flint)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartzite
Metamorphosed Quartz Sandstone (SiO2)
Rhyolite
Rhyolite (High-silica volcanic rock)
Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz / Chert
Silicon Dioxide (SiO2)
Banded Chert (Flint)
Cryptocrystalline Quartz (SiO2)
Chert (with Iron Staining)
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO₂)
Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartzite
Quartzite (primarily SiO2)
Green Fluorite
Calcium Fluoride (CaF2)
Clear Quartz Crystal (Rock Crystal)
Quartz (Silicon Dioxide, SiO2)
Green Fluorite
Calcium Fluoride (CaF2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Clear Quartz Crystal
Quartz (Silicon Dioxide, SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Clear Quartz (Carved Merkaba)
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Clear Quartz Crystal
Quartz (Silicon Dioxide, SiO2)
Clear Quartz (Rock Crystal)
Quartz (Silicon Dioxide, SiO2)
Pumice
Pumicite