Smoky Quartz
SiO2 (Silicon Dioxide with aluminum impurities)
Category
Browse mineral (synthetic glass) specimens identified by the Rock Identifier community.
Smoky Quartz
SiO2 (Silicon Dioxide with aluminum impurities)
White Quartz Pebble
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Quartz (Milky/Common Quartz)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2) with aluminum impurities
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Citrine
Silicon Dioxide (SiO₂)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
Banded Agate
Agate (Cryptocrystalline Quartz, SiO2)
Silicon Carbide (Carborundum)
Silicon Carbide (SiC) / Moissanite (natural)
Quartz (Milky/Common Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz Pebble (Chalcedony/Agate)
Silicon Dioxide (SiO2)
Rose Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Blue Chalcedony (likely dyed Agate)
Silicon Dioxide (SiO₂)
Citrine Quartz
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Heat-Treated Citrine (Amethyst)
Silicon Dioxide (SiO2) with iron impurities
Milky Quartz
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
White Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Amethyst (Purple Quartz)
Silicon Dioxide (SiO2) with iron impurities
Quartz Pebble (Water-worn Quartzite)
Silicon Dioxide (SiO2)
Amethyst
Silicon Dioxide (SiO2) with iron impurities
Quartz Druzy Geode Fragment
Silicon Dioxide (SiO2)
Amethyst (Rough Quartz)
Silicon Dioxide (SiO2 with Iron impurities)
Quartz Pebble
Silicon Dioxide (SiO2)
Sandstone (Ferruginous)
Arenite (Fe-rich)
Milky Quartz with Iron Staining
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Milky Quartz (with potential inclusion)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)