Clear Quartz
Silicon Dioxide (SiO2)
Category
Browse mineral (synthetic glass) specimens identified by the Rock Identifier community.
Clear Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz (Water-worn pebble)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz (with potential inclusion of feldspar)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (specifically Milky/Yellow Quartz)
Silicon Dioxide (SiO2)
Quartz (River Pebble)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Quartz (Rose or Clear variety)
Silicon Dioxide (SiO2)
Milky Quartz (with Iron Oxide staining)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Vein Quartz)
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
Obsidian
Volcanic Glass (Primary composition: SiO2 - Silicon Dioxide)
Green Aventurine (Green Quartzite)
Silicon Dioxide (SiO2) with inclusions of Fuchsite mica
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Quartz Crystal (specifically Rock Crystal)
Silicon Dioxide (SiO2)
Obsidian
Obsidian (Amorphous volcanic glass)
Orbicular Jasper (Ocean Jasper variant)
Silicon Dioxide (SiO2) with iron oxide inclusions
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Sandstone (Weathered Pebble)
Arenite (SiO2 primarily)
Sandstone
Clastic Sedimentary Rock (composed mostly of SiO2)
Sandstone (Ferruginous)
Arenite with Iron-oxide inclusions (SiO2 primarily)
Amethyst
Silicon Dioxide (SiO2) with iron impurities
Yellow Quartzite River Cobble
Meta-quartzite (SiO2 with iron oxide staining)
Chert (variations include Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Blue Chalcedony
Chalcedony (SiO2)