Blue Goldstone
Goldstone (artificial glass)
Mineral (man-made glass, not natural)
Category
Mineral (Man Made Glass, Not Natural)
Browse mineral (man made glass, not natural) specimens identified by the Rock Identifier community.
Learn about Mineral (Man Made Glass, Not Natural) in the encyclopedia
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Opalite
Synthetic glass / Opalized glass
gemstone
Opalite
Synthetic Opalite Glass / Opalized Glass
gemstone
Opalite
Synthetic glass / Opalized glass
gemstone
Opalite
Man-made opalized glass
mineral
Opalite
Synthetic Opalite (Man-made glass)
mineral
Green Obsidian Sphere (man-made glass)
Vitreous Silica with Chromium/Iron additives
mineralogical simulant
Opalite
Synthetic glass (SiO2 + impurities)
mineral
Opalite
Synthetic glass / Opaque silicious glass
gemstone
Cullet Glass / Slag Glass
Amorphous silica glass
man-made glass / industrial byproduct
Opalite
Man-made Glass (Synthetic Opalized Glass)
mineral
Opalite
Man-made opalescent glass
gemstone
Opalite
Synthetic Opalized Glass
gemstone
Goldstone
Aventurine Glass (Man-made)
mineral
Cobalt Blue Glass / Cullet Glass
Silicon dioxide (Amorphous man-made glass)
mineral
Opalite
Synthetic Glass (Simulated Opal)
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 Opalized Glass)
Synthetic Silicon Dioxide (SiO2) glass
mineral
Blue Goldstone
Man-made glass with cobalt and metal flecks
man-made glass
Opalite (Man-made Glass)
Fused glass (typically made of dolomite and metal opacifiers)
Man-made Material / Glass
Opalite
Synthetic Glass (SiO2 + impurities)
mineral
Opalite
Synthetic Opalized Glass / Man-made Glass
gemstone
Opalite
Synthetic Glass (Hydrated Silica Simulant)
mineral
Opalite Egg
Synthetic Glass (Simulated Opal)
mineral
Blue glassy gemstone-like specimen
Indeterminate; possibly dyed or treated turquoise, blue apatite, or man-made glass
gemstone
Opalite
Synthetic Silicon Dioxide (SiO2)
mineral
Rose Quartz and Cherry Quartz (Dyed Glass/Quartz)
Silicon Dioxide (SiO2) with inclusions/dye
gemstone
Not a rock, mineral, or geological specimen
N/A
Opaline Glass (Opalite)
Synthetic Silicon Dioxide Glass
Mineraloid (Man-made)
Opalite glass sphere (likely synthetic imitation)
Man-made opalescent glass; not natural opal
mineral
Opalite
Synthetically produced glass (Silicon Dioxide with metallic inclusions)
Mineraloid (Man-made Glass)
Opalite
Synthetic Glass (Silica-based)
gemstone
Opalite (Man-made Glass)
Synthetic Opalised Glass
mineral
Opalite
Synthetic Glass / Man-made Opal Simulant
gemstone
Opalite (likely man-made glass)
Opalite; amorphous silica glass, not a natural mineral
gemstone
Black tumbled stone, possibly obsidian
Obsidian (volcanic glass; predominantly SiO₂), identification uncertain from image
igneous
Opalite
Synthetic Opalised Glass
mineral
Sea Glass
Amorphous silicon dioxide (man-made glass weathered by nature)
mineral
Opalite
Man-made Opalized Glass (Synthetic Glass)
gemstone
Diamond (or Simulant)
Carbon (C) or relevant simulant formula (e.g., ZrO2 for Cubic Zirconia)
gemstone
Costume Jewelry with Synthetic Gemstones
Synthetic Cubic Zirconia and Glass (SiO2 / ZrO2)
mineral
Opalite
Synthetic Glass (Simulated Opal)
gemstone