Opalite
Synthetic Glass (Silica-based)
gemstone
Category
Synthetic (Not A Natural Rock)
Browse synthetic (not a natural rock) specimens identified by the Rock Identifier community.
Learn about Synthetic (Not A Natural Rock) in the encyclopedia
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Gemstone Ring
Various (Likely Glass, Cubic Zirconia, or assorted semi-precious stones)
gemstone
Possible flint or slag fragment
Microcrystalline quartz (chalcedony), or iron-rich industrial slag
mineral
Dyed Agate
Silicon Dioxide (SiO2) with synthetic dyes
mineral
Blue Agate Geode (Dyed)
Cryptocrystalline Quartz (SiO2)
mineral
Opalite (Synthetic Moonstone/Opal)
Synthetic Silica Glass
mineraloid (synthetic)
Dalmatian Stone
Dalmatian Stone (Felsic Igneous Rock)
igneous
Goldstone
N/A (Synthetic Glass with Copper Inclusions)
Manufactured Glass
Opalite
Synthetic Glass (Hydrated Silica Simulant)
mineral
Opalite
Synthetic Opalised Glass
mineral
Clear Quartz (faceted) / Diamond Simulant
Silicon Dioxide (SiO2) / Cubic Zirconia (ZrO2)
gemstone
Opalite
Synthetic glass / Opalized glass
gemstone
Opalite
Synthetically produced glass (Silicon Dioxide with metallic inclusions)
Mineraloid (Man-made Glass)
White Opal
Hydrated Amorphous Silica (SiO2·nH2O)
Mineraloid
Ruby (Faceted)
Corundum (Al2O3:Cr)
gemstone
Cubic Zirconia
Cubic Zirconium Dioxide (ZrO2)
mineral
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).
Mineral
Pink Dyed Agate
Silicon Dioxide (SiO2) with synthetic pigment
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Ruby (or potential synthetic/imitation)
Corundum (Al2O3)
gemstone
Crackled Quartz (Dyed)
Silicon Dioxide (SiO2)
mineral
Blue Dyed Agate
Cryptocrystalline Quartz (SiO2)
mineral
Pink/red faceted gemstone, likely synthetic ruby or pink sapphire
Corundum, aluminum oxide (Al₂O₃); likely lab-grown or treated material
gemstone
Dyed Agate
Silicon Dioxide (SiO2) - variety Chalcedony
mineral
Opalite
Synthetic opalescent glass
glass
Cubic Zirconia
Zirconium dioxide (ZrO2)
mineral
Zirconia (Ceramic) & Ion-X Glass
Zirconium Dioxide (ZrO2) and Ion-strengthened Aluminosilicate Glass
Synthetic Mineral / Glass
Cubic Zirconia
Zirconium dioxide (ZrO2)
gemstone
Chalcanthite (Likely Synthetic/Lab-Grown)
Hydrated copper(II) sulfate (CuSO4·5H2O)
mineral
River Stone (likely Quartzite or Chert)
Sedimentary rock composed of Silicon Dioxide (SiO2)
sedimentary
Pink Anthracite Coal (dyed)
Anthracite Coal (Artificially Colored)
Sedimentary Rock (Altered)
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Goldstone
Aventurine Glass (Man-made)
mineral
Ruby
Corundum (Al2O3)
gemstone
Diamond (in jewelry)
Cubic Carbon (C)
mineral
Goldstone (Brown)
Aventurine glass
mineraloid (man-made)
Moissanite
Silicon Carbide (SiC)
mineral
Likely slag or metallic industrial byproduct
Unidentified iron-rich ferrous slag; possibly magnetite-bearing slag
mineral
Opalite (a synthetic glass)
Silicon Dioxide (SiO2) with various additives; not a true mineral but a man-made gem simulant
Mineral Simulant (Synthetic Glass)
Cubic Zirconia and Synthetic Ruby Jewelry
Cubic Zirconia (ZrO2) and Synthetic Corundum (Al2O3)
gemstone
Aura Quartz
Silicon Dioxide (SiO2) with Titanium/Metal vapor coating
mineral
Emerald
Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities
mineral