Milky Quartz
Crystalline Silicon Dioxide (SiO2)
Category
Browse mineral simulant (synthetic glass) specimens identified by the Rock Identifier community.
Milky Quartz
Crystalline Silicon Dioxide (SiO2)
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Quartz (Iron-stained Pebble)
Silicon Dioxide (SiO2)
Libyan Desert Glass
Tektite (high-silica impact glass), SiO2
Milky Quartz
Silicon Dioxide (SiO2)
White Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Quartz Geode with Calcite
Silicon Dioxide (SiO2) with Calcium Carbonate (CaCO3)
Green Aventurine
Silicon dioxide (SiO2) with fuchsite inclusions
Amethyst
Silicon Dioxide (SiO2) with iron impurities
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz Pebble with Matrix
Silicon Dioxide (SiO2)
Milky quartz
Quartz (silicon dioxide, SiO₂)
Clear Quartz with Limonite
Silicon Dioxide (SiO2) with Hydrated Iron Oxides
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz (Milky or Cloudy variety)
Quartz (Silicon Dioxide, SiO2)
Botryoidal Chalcedony / Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Sandstone (Yellow/Siltstone variant)
Arenite (SiO2 primarily)
Feldspar (Orthoclase)
Potassium Alveolar Silicate (KAlSi3O8)
Milky quartz (rough quartz specimen)
Quartz, silicon dioxide (SiO₂)
Pink Sapphire (Corundum)
Aluminum Oxide (Al2O3) with Chromium/Iron impurities
Blue quartz-like mineral specimen
Likely quartz (SiO₂), possibly dyed or coated; exact identification requires testing
Beryl (likely Aquamarine or Heliodor variant)
Beryllium aluminum silicate (Be3Al2Si6O18)
Quartz pebble
Silicon dioxide (SiO2)
Weathered granite-like rock
Granite, likely biotite-bearing; exact identification is uncertain from the image
Milky Quartz
Silicon Dioxide (SiO2)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Aquamarine
Beryl (Be3Al2Si6O18 with trace Fe2+)
Jasper and Agate Mix
Silicon dioxide (SiO2) - Microcrystalline Quartz
Limonite-stained Quartz
Silicon Dioxide (SiO2) with Iron Oxide/Hydroxide (FeO(OH)·nH2O) staining
Mahogany Obsidian
Volcanic Glass with Hematite inclusions
Quartz (Chert/Quartzite variant)
Silicon Dioxide (SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)