Plastic Building Toy (Lego-style piece)
Acrylonitrile Butadiene Styrene (ABS)
Category
Browse mineral (synthetic) specimens identified by the Rock Identifier community.
Plastic Building Toy (Lego-style piece)
Acrylonitrile Butadiene Styrene (ABS)
Opalite
Synthetic Glass (Simulated Opal)
Cobalt Glass Slug (Man-made Glass)
Amorphous Silica with Cobalt Oxide (SiO2 + CoO)
Cubic Zirconia (CZ)
Zirconium dioxide (ZrO2)
Man-made Synthetic Material (Not a rock or mineral)
Polyester (Polyethylene terephthalate) / Faux Fur
Opalite
Synthetic Glass (SiO2 + impurities)
Emerald
Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities
Hematite
Iron(III) oxide (Fe2O3)
Pearl and Garnet Glass
Calcium Carbonate (CaCO3) for pearl; Silicon Dioxide (SiO2) for glass
Ruby
Corundum (Al2O3 with Chromium)
Blue Sapphire
Corundum (Al2O3)
Dyed Alum or Dyed Quartz (Ornamental Crystal)
Silicon Dioxide (SiO2) or Potassium Alum [KAl(SO4)2·12H2O]
Opalite
Synthetically produced glass (Silicon Dioxide with metallic inclusions)
Cat's Eye Moonstone (Simulated/Synthetic or natural Cat's Eye Quartz/Glass)
There is no single scientific name. The appearance suggests either: Moonstone (feldspar group), Cat's Eye Quartz (SiO2), Apatite (Ca5(PO4)3(F,Cl,OH)), or most likely a synthetic material such as Fiber Optic Glass or 'Opalite' (a type of glass).
Synthetic Ruby (Jewel Bearings)
Synthetic Corundum (Al2O3 doped with Chromium)
Cubic Zirconia (Simulated Diamond)
Zirconium dioxide (ZrO2)
Diamond (or Cubic Zirconia)
Crystallized Carbon (C) for Diamond; Zirconium Dioxide (ZrO2) for CZ
Blue Sapphire
Corundum (Al2O3) with traces of Iron and Titanium
Zirconia (Ceramic) & Ion-X Glass
Zirconium Dioxide (ZrO2) and Ion-strengthened Aluminosilicate Glass
Blue Goldstone
Aventurine Glass
Blue Sapphire (in a faceted jewelry setting)
Corundum (Al2O3) with trace Iron and Titanium
Smoky Quartz
Smoky Quartz (Silicon Dioxide, SiO2)
Amber (Simulated/Faturan Style)
Resin mix (Likely Phenolic/Celluloid if synthetic, Succinite if natural)
Opalite (Synthetic Moonstone/Opal)
Synthetic Silica Glass
Opalite
Synthetic Opalised Glass
Silicon Carbide (Carborundum)
Moissanite (SiC), though mostly synthetic
Smoky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Diamond (or Cubic Zirconia simulant)
Carbon (C) - Diamond / Zirconium dioxide (ZrO2) - CZ
Blue Sapphire (Synthetic or Man-made Glass Imitation)
Corundum (Al2O3) if natural; Lead-glass or Spinal if synthetic
Hematite
Iron(III) oxide (Fe2O3)
Spinel
Magnesium Aluminum Oxide (MgAl2O4)
Rough Ruby
Corundum (Al2O3 with Chromium impurities)
Silicon Carbide (Carborundum)
Silicon Carbide (SiC)
Ruby (Corundum)
Corundum (Aluminum Oxide with Chromium), Al2O3:Cr
Blue Sapphire
Corundum (Al2O3 with trace Titanium and Iron)
Synthetic Marbled Aggregate (Footwear Component)
Ethylene-vinyl acetate (Croslite™)
Ruby
Corundum (Al2O3 with Chromium traces)
Smoky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Rough Citrine Quartz
Silicon Dioxide (SiO2) with ferric iron impurities