Opalite (Synthetic Moonstone/Opal)
Synthetic Silica Glass
Category
Browse mineral (man made glass, not natural) specimens identified by the Rock Identifier community.
Opalite (Synthetic Moonstone/Opal)
Synthetic Silica Glass
Polished blue glassy mineral specimen, likely sodalite or blue aventurine
Most consistent with sodalite (Na₈Al₆Si₆O₂₄Cl₂), though dyed quartzite or blue glass cannot be excluded from the photograph
Sea Glass
Man-made silicate glass
N/A - Non-Geological Item
Green sea glass (likely bottle glass)
Man-made soda-lime silicate glass; not a natural mineral
Tumbled milky quartz
Quartz (SiO₂), cryptocrystalline-to-massive variety
Aura Quartz (Titanium/Rainbow Quartz)
SiO2 (Silicon Dioxide) with metallic coating
Opalite
Man-made glass (traditionally simulated Opal)
Opalite (Man-made Glass)
Synthetic Silicon Dioxide Glass (SiO2 + metal oxides)
Opalite
Synthetic Opalized Glass (SiO2 + additives)
Opalite crescent pendant
Opalite (man-made opalescent glass; not a natural mineral)
Cubic Zirconia (Jewelry Setting)
Zirconium Dioxide (ZrO2)
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (Industrial Byproduct)
Dragon's Breath (Mexican Opal Glass)
Artisan Foil Glass (SiO2 based)
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (SiO2) with metallic oxide impurities
Opalite
Synthetic Glass (Simulated Opal)
Opalite
Synthetic Glass (typically Silica/Magnesium based with metal additives)
Opalite
Opalescent Glass (SiO2 + coloring agents)
Goldstone (brown goldstone)
Man-made aventurine glass, typically copper-bearing silica glass
Cullet Glass (Slag)
Amorphous Silicon Dioxide (Man-made)
Tumbled white chalcedony (likely milky quartz)
Chalcedony, microcrystalline quartz (SiO₂)
Tumbled milky quartz pebble
Quartz (silicon dioxide, SiO₂), opaque-to-translucent milky variety
Aventurine Quartz
Silicon Dioxide (SiO2) with Fuchsite inclusions
Opalite
Synthetic Opalite Glass (Silicon Dioxide)
Silicon Carbide (Carborundum)
Silicon Carbide (SiC) / Moissanite (natural)
Diamond
Native Carbon (C)
Cullet (Slag Glass)
Amorphous Silica (SiO2) with various metal oxide colorants
Blue Obsidian (Cullet Glass)
Silicon Dioxide (Amorphous Glass)
Mystic Topaz (Treated Quartz or Topaz)
Aluminum silicate fluoride hydroxide [Al2SiO4(F,OH)2] with thin-film metallic coating
Opalite
Man-made Synthetic Glass (Silicon Dioxide with metal additives)
Slag Glass
Vitreous Silicate Residue
Opalite
Synthetic Opalite Glass
Green glass sphere/marble
Soda-lime glass (primarily SiO2, Na2O, CaO)
Citrine Quartz
Citrine (Silicon Dioxide, SiO2)
Opalite (likely man-made opalescent glass)
Opalite; not a true mineral, typically synthetic opalescent glass (silica-based)
Polished milky quartz (likely quartz worry stone or wand)
Quartz, silicon dioxide (SiO₂)
White quartz pebble
Quartz (SiO₂), likely milky quartz
Goldstone
Aventurine glass
Man-made Polished Porcelain Tile (Artificial Geologic Lookalike)
Fused Silicate Ceramic with Alumina (Synthetic Kaolinite derivative)
Pink Quartz / Sea Glass
Silicon Dioxide (SiO2)
Asphalt Concrete (Bituminous Conglomerate)
Anthropogenic Bituminous Conglomerate
Asphalt (Road Aggregate)
Bituminous conglomerate