Metal Chain Belt with Square Plates
Not applicable (man-made)
Man-made Object (Metalwork)
Category
Mineral (Man Made Glass)
Browse mineral (man made glass) specimens identified by the Rock Identifier community.
Learn about Mineral (Man Made Glass) in the encyclopedia
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Opalite
Synthetic Opalised Glass
mineral
Slag Glass
Amorphous Silicate (Man-made)
industrial byproduct
Clear Quartz Sphere (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Milky quartz
Quartz (silicon dioxide, SiO₂)
mineral
Blue Goldstone
Man-made glass with crystalline copper/cobalt inclusions
mineral
Sea Glass
Amorphous silicon dioxide (man-made glass weathered by nature)
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)
Opalite
Synthetic Glass (Simulated Opal)
gemstone
Cullet Glass (Slag)
Amorphous Silicon Dioxide (Man-made)
Mineraloid
Blue Slag Glass
Anthropogenic Amorphous Silicon Dioxide
mineral
Cullet (Slag Glass)
Amorphous Silica (SiO2) with various metal oxide colorants
mineraloid / anthropogenic
Blue Goldstone
Man-made glass with cobalt and metal flecks
man-made glass
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (Industrial Byproduct)
mineraloid
Clear quartz fragment
Quartz (silicon dioxide, SiO₂)
mineral
Opalite
Synthetic Glass / Man-made Opal Simulant
gemstone
Likely tumbled red mineral or glass imitation
Indeterminate; possibilities include red jasper (microcrystalline quartz, SiO₂) or dyed chalcedony
mineral
Milky quartz (likely rough quartz crystal)
Quartz, silicon dioxide (SiO₂)
mineral
Sea Glass
Man-made vitreous material (silica-based glass)
mineral
Tumbled milky quartz
Quartz, silicon dioxide (SiO₂)
mineral
Costume Jewelry with Synthetic Gemstones
Synthetic Cubic Zirconia and Glass (SiO2 / ZrO2)
mineral
Opalite
Synthetic Glass (SiO2 + impurities)
mineral
Opalite (Synthetic Opalized Glass)
Synthetic Silicon Dioxide (SiO2) glass
mineral
Opalite (Synthetic Moonstone/Opal)
Synthetic Silica Glass
mineraloid (synthetic)
Opalite
Man-made glass (traditionally simulated Opal)
mineral
Opalite
Synthetic Glass (Simulated Opal)
mineral
Opalite glass sphere (likely synthetic imitation)
Man-made opalescent glass; not natural opal
mineral
Not a rock, mineral, or geological specimen
N/A
Aura Quartz (Titanium/Rainbow Quartz)
SiO2 (Silicon Dioxide) with metallic coating
mineral
Tumbled white chalcedony (likely milky quartz)
Chalcedony, microcrystalline quartz (SiO₂)
mineral
Tumbled milky quartz (likely)
Quartz, silicon dioxide (SiO₂)
mineral
Beads (likely glass or man-made material)
N/A (artificial material)
Man-made material, not a natural rock or mineral specimen
Green Aventurine
SiO2 (Silicon Dioxide with Fuchsite inclusions)
mineral
Clear quartz crystal
Quartz (silicon dioxide, SiO₂)
mineral
Opalite (likely man-made glass)
Opalite; amorphous silica glass, not a natural mineral
gemstone
Aventurine Quartz
Silicon Dioxide (SiO2) with Fuchsite inclusions
metamorphic
Glass
Amorphous Silicon Dioxide (SiO2)
mineraloid
Dragon's Breath (Mexican Opal Glass)
Artisan Foil Glass (SiO2 based)
mineraloid
Goldstone
Avventurina (Man-made Glass with Copper inclusions)
mineral
Opalite
Synthetic Opalized Glass
gemstone
Opalite
Synthetic Glass (Simulated Opal)
gemstone
Milky quartz (rough quartz fragment)
Quartz, silicon dioxide (SiO₂)
mineral