Opalite
Synthetic glass / Opalized glass
gemstone
Category
Synthetic (Glass)
Browse synthetic (glass) specimens identified by the Rock Identifier community.
Learn about Synthetic (Glass) in the encyclopedia
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Clear Quartz (faceted) / Diamond Simulant
Silicon Dioxide (SiO2) / Cubic Zirconia (ZrO2)
gemstone
Green glassy cabochon, likely dyed or synthetic material
Uncertain; possibly green obsidian, chrysoprase, or synthetic glass
gemstone
Opalite
Synthetic glass / Opaque silicious glass
gemstone
Opalite
Synthetic Opalite Glass / Opalized Glass
gemstone
Opalite (a synthetic glass)
Silicon Dioxide (SiO2) with various additives; not a true mineral but a man-made gem simulant
Mineral Simulant (Synthetic Glass)
Opalite
Synthetic Glass (Simulated Opal)
mineral
Opalite
Synthetic Glass (Silica-based)
gemstone
Opalite
Synthetic glass / Opalized glass
gemstone
Sapphire
Corundum (Al2O3)
mineral
Pearl and Garnet Glass
Calcium Carbonate (CaCO3) for pearl; Silicon Dioxide (SiO2) for glass
mineral and glass
Opalite Egg
Synthetic Glass (Simulated Opal)
mineral
Opalite
Synthetic Glass (Simulated Opal)
gemstone
Opalite
Synthetic Glass (Simulated Opal)
gemstone
Opalite
Synthetic Glass (SiO2 + impurities)
mineral
Rose Quartz and Cherry Quartz (Dyed Glass/Quartz)
Silicon Dioxide (SiO2) with inclusions/dye
gemstone
Opalite
Synthetic Opalised Glass
mineral
Clear Quartz crystals on a Matrix base (Geode fragment)
Silicon Dioxide (SiO2)
mineral
Cherry Quartz with Rose Quartz
Crystalline Quartz (SiO2) with glass-based synthetic components
gemstone
Goldstone (Brown)
Aventurine Glass (Silicon Dioxide infused with Copper crystals)
mineraloid (man-made glass)
Opalite
Synthetic Glass (Amorphized Silicon Dioxide)
mineraloid
Blue Goldstone
Synthetic glass with cobalt and copper inclusions
man-made glass
Opalite
Synthetic Glass (Hydrated Silica Simulant)
mineral
Blue Quartz / Glass Gemstone Pendant
SiO2 (Silicon Dioxide) or Synthetic Glass
gemstone
Opalite
Synthetic glass (SiO2 + metal additions)
mineraloid
Goldstone
N/A (Synthetic Glass with Copper Inclusions)
Manufactured Glass
Opalite
Synthetic Glass (Simulated Moonstone/Opal)
gemstone
Blue Goldstone
Aventurine Glass
Man-made mineral simulant (Glass)
Blue Goldstone
Synthetic Avanturine Glass (or Aventurine Glass)
Synthetic Glass
Opalite
Synthetic Opalized Glass
mineraloid (man-made)
Strawberry Quartz (Hematoid Quartz)
Silicon Dioxide with Iron Oxide inclusions (SiO2 + Fe2O3)
mineral
Opalite (a synthetic glass, often confused with Opal)
Silicon dioxide glass (SiO2nH2O, for natural opal)
Synthetic (glass)
Opalite (Man-made Glass)
Synthetic Opalised Glass
mineral
Goldstone
Aventurine Glass (SiO2 + Cu small inclusions)
man-made glass mineral simulant
Opalite
Man-made Opalized Glass (Synthetic Glass)
gemstone
Polished blue-black cabochon, likely blue obsidian or dyed glass-like stone
Indeterminate from image; possible natural obsidian (volcanic glass), commonly SiO₂-rich rhyolitic glass
gemstone
Green Glass (often marketed as 'Obsidian' or 'Green Quartz')
Amorphous Silica (SiO2) with copper or chromium additives
Mineraloid (Man-made)
Opalite
Synthetically produced glass (Silicon Dioxide with metallic inclusions)
Mineraloid (Man-made Glass)
Opalite
Synthetic Glass, SiO2 base with metallic inclusions
mineraloid (synthetic)
Goldstone
Aventurine glass (Synthetic glass with copper inclusions)
mineraloid / man-made glass
Opalite
Synthetic Opalized Glass / Man-made Glass
gemstone
Opalite
Synthetic Glass / Man-made Opal Simulant
gemstone