Quartz (Smoky/Milky variety with matrix)
Silicon Dioxide (SiO2)
Category
Browse mineral simulant (synthetic glass) specimens identified by the Rock Identifier community.
Quartz (Smoky/Milky variety with matrix)
Silicon Dioxide (SiO2)
White Topaz
Al2SiO4(F,OH)2
Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz Pebble (Sea Glass-like Quartz)
Quartz (Silicon Dioxide - SiO2)
Quartz on Matrix
Silicon Dioxide (SiO2)
Sandstone (with Iron Staining)
Clastic Sedimentary Rock (primarily Quartz, SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace impurities of titanium, iron, or manganese
Diamond (or Lab-Grown Cubic Zirconia)
Carbon (C)
Milky Quartz with inclusions
Quartz (Silicon Dioxide, SiO2)
Quartzite
Quartzite (primarily SiO2)
Sandstone
Clastic Sedimentary Rock (composed mostly of quartz, SiO2)
Sandstone (Beach Pebble)
Clastic sedimentary rock (primarily Quartz and Feldspar)
Obsidian
Volcanic Glass (predominantly SiO2)
Obsidian
Obsidian (Volcanic Glass)
Obsidian (Black Obsidian)
Obsidian (Volcanic Glass)
Sea Glass (Teal/Turquoise)
Amorphous Silica (SiO2) with trace metal oxides
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
Sandstone (likely Quartzose Sandstone)
Arenite (composed primarily of SiO2)
Grey Quartz (likely Smoky Quartz or Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Sandstone
Arenite (primarily SiO2)
Quartz Vein in Host Rock (Gossanous Matrtix)
Silicon Dioxide (SiO2) with iron oxides (Limonite/Hematite)
Yellow Aventurine (specifically a carved crescent moon)
Silicon Dioxide (SiO2) with inclusions
Milky Quartz
Silicon Dioxide (SiO2)
Red aventurine
Silicon Dioxide (SiO2) with Hematite or Goethite inclusions
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Opalite (Man-made Glass)
Fused glass (typically made of dolomite and metal opacifiers)
River Pebble (Brecciated Chert/Siltstone)
Silicon Dioxide (SiO2) with mineral inclusions
Quartz (Pale Rose or Milky Variety)
Silicon Dioxide (SiO2)
Druzy Quartz (on Chalcedony/Agate base)
Silicon Dioxide (SiO2)
Amethyst (Quartz variety)
Amethyst - SiO2 (Silicon Dioxide with Iron impurities)
Cloudy Quartz (or Milky Quartz)
Silicon Dioxide (SiO2)
Chert (specifically Flint or Jasper variant)
Microcrystalline Quartz (SiO2)
Green Aventurine
Silicon dioxide (SiO2) with inclusions of Fuchsite
Sandstone
Arenite (SiO2 based)
Rose Quartz
Quartz (Silicon Dioxide, SiO2) with trace inclusions of dumortierite
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)
Mahogany Obsidian
Volcanic Glass with Hematite inclusions (SiO2 + Fe2O3)
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite mica