Sandstone
Arenite (primarily SiO2)
Category
Browse synthetic glass (often categorized as a simulated mineral) specimens identified by the Rock Identifier community.
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (SiO2 based)
Quartzite
Quartzite (SiO2)
Chert (Jasper)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
Chert (specifically Gray/Black Chert)
Chert (Microcrystalline or Cryptocrystalline Quartz, SiO2)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Smoky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
Tree Agate
Dendritic Agate (Silicon Dioxide, SiO2)
Quartz (Peach/Orange variety)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Rose Quartz
Quartz (SiO2) with trace amounts of Titanium, Iron, or Manganese
Quartz (River Pebble)
Silicon Dioxide (SiO2)
Barite Rose
Barium Sulfate (BaSO4)
Red Sandstone
Arenite (Ferruginous Sandstone)
Quartz (River Pebble)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)
Chalcedony (Agate/Jasper mix)
Cryptocrystalline Sillimanite (Quartz) - SiO2
Quartz
Silicon Dioxide (SiO2)
Beryl (likely Aquamarine)
Beryllium aluminum silicate (Be3Al2Si6O18)
Orange Calcite / Quartzite with Iron Staining
Silicon Dioxide (SiO2) or Calcium Carbonate (CaCO3) with Iron Oxide impurities
Quartz with Iron Staining
Silicon Dioxide (SiO2)
Sandstone (Red)
Arenite (primarily Quartz, SiO2, with Iron Oxide cement)
Milky Quartz
Silicon Dioxide (SiO2)
Citrine Quartz
Citrine (Silicon Dioxide, SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Green Aventurine
Quartz containing Fuchsite (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz in Matrix (or Quartz Vein Rock)
Silicon Dioxide (SiO2) with host rock
Milky Quartz
Silicon Dioxide (SiO2)
Slag Glass
SiO2 (Silicon Dioxide) with impurities
Amber
Succinite (Resinous fossilized tree sap)
Sandstone
Arenite (lithic or quartz sandstone)
Aquamarine with Ruby Accent
Beryllium Aluminum Silicate (Be3Al2Si6O18) with Aluminum Oxide (Al2O3)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
Yellow Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)