Green Quartz (Prasiolite/Adventurine/Jasper)
Silicon Dioxide (SiO2)
Category
Browse synthetic (not a natural rock) specimens identified by the Rock Identifier community.
Green Quartz (Prasiolite/Adventurine/Jasper)
Silicon Dioxide (SiO2)
Smoky Quartz
Smoky Quartz (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Citrine Geode (or Druzy Citrine)
Silicon Dioxide (SiO₂) - a variety of Quartz
Smoky Quartz
Silicon Dioxide (SiO₂)
Citrine (Yellow Quartz)
Silicon Dioxide (SiO2)
Chert (Arrowhead or Projectile Point)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Smoky Quartz (Silicon Dioxide, SiO2)
Ferruginous Sandstone
Arenite with Iron-oxide cement
Smoky Quartz
Silicon Dioxide (SiO2) with aluminum impurities
Smoky Quartz
Quartz (Silicon Dioxide), Formula: SiO2
Smoky Quartz
Silicon Dioxide (SiO2)
Coquina (Hag Stone variant)
Biocalcarenite (Coquina)
Smoky Quartz Geode Slice
Silicon Dioxide (SiO2)
Conglomerate
Conglomerative Sedimentary Rock
Smoky Quartz
Smoky Quartz (Silicon Dioxide - SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Smoky Quartz (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Citrine
Silicon Dioxide (SiO2) - Macrocrystalline Quartz variety
Yellow Quartz (Citrine Quartz)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Yellow Quartz (Citrine or Iron-Stained Quartz)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Smoky Quartz (Silicon Dioxide, SiO2)
Smoky Quartz
Quartz (SiO₂)
Staurolite (Fairy Stone)
Staurolite (Fe2+2Al9Si4O23(OH))
Fluorite
Calcium Fluoride (CaF2)
Pumice (likely)
Pumice (extrusive igneous rock)
Smoky Quartz (with Iron Oxidation)
Silicon Dioxide (SiO2)
River Pebble (Gravel)
Clastic sedimentary rock (likely Siltstone or Mudstone pebble; SiO2 with various impurities)
Jasper
Silicon dioxide (SiO2)
Yellow Quartz (Citrine or Citrine-colored Quartz)
Silicon Dioxide (SiO2)
Smoky Quartz
Smoky Quartz (Silicon Dioxide, SiO2)
Citrine (likely Heat-Treated)
Quartz (Silicon Dioxide, SiO2)
Smoky Quartz
Smoky Quartz (Silicon Dioxide - SiO2)
Smoky Quartz (Tumbled)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)