Green Aventurine (Quartzite)
Silicon Dioxide (SiO2) with inclusions of Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)
Category
Browse synthetic glass specimens identified by the Rock Identifier community.
Green Aventurine (Quartzite)
Silicon Dioxide (SiO2) with inclusions of Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)
Quartz (Milky or Cloudy Quartz)
Silicon Dioxide (SiO2)
Ferruginous Quartz
Quartz (Silicon Dioxide) - SiO2 with Iron Oxide inclusions
Milky Quartz
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (Milky/Clear Quartz)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Quartz in Host Rock
Silicon Dioxide (SiO2) in Rhyolite or Granite matrix
Quartz (Milky/Common Quartz)
Silicon Dioxide (SiO2)
Quartzite (clastic/metamorphic subtype)
Quartzite (primarily Silicon Dioxide, SiO2)
Quartz (Iron-stained or Milky)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz (Ferruginous variety)
Silicon Dioxide (SiO2)
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartzite
Quartzite (primarily SiO2)
Quartzite (River Siltstone variety)
Quartzite (SiO2)
Quartzite
Quartzite (primarily SiO2)
Yellow Quartz (Citrine/Yellow Chalcedony)
Silicon Dioxide (SiO2)
White Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Ferruginous Quartz
Silicon Dioxide (SiO2) with iron oxide inclusions (Limonite/Goethite)
Ferruginous Quartz
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Milky Quartz
Silicon Dioxide (SiO2)
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Citrine
Silicon dioxide (SiO2)
Amethyst
Amethyst (Silicon Dioxide, SiO2)
Quartz / Quartz Geode fragment
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Quartzite River Pebble
Metamorphosed Quartz Sandstone (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartzite with Gneissic Banding
Quartzite (primarily SiO2) with mafic mineral inclusions
Quartz Pebble (Hag Stone / Adder Stone)
Silicon Dioxide (SiO2)
Chert (Field-collected Arrowhead-shaped Fragment)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
Yellow Quartz (Citrine/Quartzite Pebble)
Silicon Dioxide (SiO2)
Chert (Jasper variation)
Microcrystalline Quartz (SiO2)
Milky Quartz (Water-worn Pebble)
Quartz (Silicon Dioxide) - SiO2
Chert
Microcrystalline Quartz (SiO2)