Goldstone
Aventurine glass
mineral (man-made glass)
Category
Mineral (Man Made Glass)
Browse mineral (man made glass) specimens identified by the Rock Identifier community.
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Goldstone (Red/Brown)
Aventurine Glass (SiO2 with Copper inclusions)
Mineral (Man-made glass)
Blue Goldstone
Goldstone (artificial glass)
Mineral (man-made glass, not natural)
Opalite
Synthetic glass / Opalized glass
gemstone
Blue goldstone (man-made glass)
Copper-bearing aventurine glass; synthetic silicate glass
mineral
N/A - Non-Geological Item
not a rock/mineral
Opalite (likely man-made glass)
Opalite is a trade name for opalescent glass, not a natural mineral; composition is typically silica glass with additives
mineral
Opalite
Synthesized glass / Silicon dioxide glass
gemstone
Sea Glass
Amorphous Silicon Dioxide (SiO2)
mineral
Opalite
Synthetic glass / Simulated opal
gemstone
Blue Obsidian (Cullet Glass)
Man-made silicate glass
mineral
Opalite
Synthetic glass / Opaque silicious glass
gemstone
Opalite
Synthetic glass (SiO2 + impurities)
mineral
Opalite
Synthetic glass / Opaque silicious glass
gemstone
Opalite
Man-made opalized glass
mineral
Opalite
Synthetic glass / Opalized glass
gemstone
Blue Goldstone
Man-made glass infused with copper crystals
mineral
Opalite
Synthesized glass / Silicon dioxide
gemstone
Goldstone
Aventurine Glass (Man-made)
mineral
Sea Glass
Man-made silicate glass
mineral
Sea Glass
Man-made silicate glass
mineral
Sea Glass
Amorphous silicon dioxide
mineral
Sea Glass
Man-made silicate glass
mineral
Sea Glass
Man-made silicate glass
mineral
Sea Glass
Man-made silicate glass
mineral
Cullet Glass / Slag Glass
Amorphous silica glass
man-made glass / industrial byproduct
Blue crystal pendant (likely blue glass or synthetic crystal)
Not identifiable from the image; possibly synthetic quartz or glass, rather than a natural mineral
gemstone
Blue opalescent glass-like gemstone (possibly imitation opalite)
Likely man-made opalite glass; composition varies, typically silica-based glass
gemstone
Opalite
Synthetic Opalite Glass / Opalized Glass
gemstone
Sea Glass
Silicon dioxide (mostly)
mineral
Synthetic Resin Charm (Seal Shape)
Polymer Resin with plastic glitter / Polyethylene terephthalate glitters
Synthetic material (Not a rock or mineral)
Sea Glass
Man-made vitreous material
mineral
Cobalt Blue Glass / Cullet Glass
Silicon dioxide (Amorphous man-made glass)
mineral
Opalite
Synthetic Opalite (Man-made glass)
mineral
Small black stone fragment (possibly obsidian)
Unidentified dark rock; obsidian is volcanic glass (composition typically rhyolitic)
igneous
Green Obsidian Sphere (man-made glass)
Vitreous Silica with Chromium/Iron additives
mineralogical simulant
Faceted clear gemstone in a gold-colored setting
Unidentified transparent faceted stone; possibly quartz, glass, or another colorless gem
gemstone
Blue-green faceted gemstone, possibly glass or synthetic material
Not identifiable from the image; possible synthetic spinel or glass
gemstone
Quartz pebble (Quartztite fragment)
Silicon Dioxide (SiO2)
mineral
Goldstone
Man-made glass with copper inclusions
mineral
Sea Glass
Man-made silicate glass
sedimentary
Sea Glass
Man-made silicate glass
sedimentary