Goldstone
Aventurine Glass (SiO2 + Cu small inclusions)
Category
Browse man made glass mineral simulant specimens identified by the Rock Identifier community.
Goldstone
Aventurine Glass (SiO2 + Cu small inclusions)
Blue Goldstone
Aventurine Glass (Silicon Dioxide with metal inclusions)
Green Obsidian Sphere (man-made glass)
Vitreous Silica with Chromium/Iron additives
Diamond (or Simulant)
Carbon (C) or relevant simulant formula (e.g., ZrO2 for Cubic Zirconia)
Diamond (or Simulant)
Carbon (C)
Opalite
Synthetic Glass / Man-made Opal Simulant
Silicon Carbide (Carborundum)
Silicon Carbide (SiC) / Moissanite (natural)
Opalite
Synthetic Glass (Hydrated Silica Simulant)
Cubic Zirconia
Cubic Zirconium Dioxide (ZrO2)
Opalite (a synthetic glass)
Silicon Dioxide (SiO2) with various additives; not a true mineral but a man-made gem simulant
Cubic Zirconia (Diamond Simulant)
Zirconium Dioxide (ZrO2)
Pink Cubic Zirconia (CZ)
Zirconium Dioxide (ZrO2)
Opalite
Synthetic glass / Opalized glass
Carborundum (Silicon Carbide)
Silicon Carbide (SiC) / Moissanite (natural form)
Diamond (or Cubic Zirconia)
Carbon (C) or Zirconium Dioxide (ZrO2)
N/A - Non-Geological Item
Colorless faceted gemstone, likely glass or cubic zirconia
Uncertain; possible cubic zirconia (ZrO₂) or quartz (SiO₂), but the image may show a man-made simulant
Colorless faceted quartz-like gemstone
Likely quartz (SiO₂), though the appearance may also indicate man-made glass or cubic zirconia
Green glass sphere/marble
Soda-lime glass (primarily SiO2, Na2O, CaO)
Opalite
Synthetic Opalite Glass / Opalized Glass
Opalite (Man-made Glass)
Synthetic Silicon Dioxide Glass (SiO2 + metal oxides)
Opalite
Synthetic glass / Opaque silicious glass
Opalite
Synthetic glass (SiO2 + impurities)
Opalite
Synthetic glass / Opalized glass
Opalite
Man-made opalized glass
Goldstone
Aventurine Glass (Man-made)
Cullet Glass / Slag Glass
Amorphous silica glass
Sea Glass
Silicon dioxide (mostly)
Synthetic Resin Charm (Seal Shape)
Polymer Resin with plastic glitter / Polyethylene terephthalate glitters
Cobalt Blue Glass / Cullet Glass
Silicon dioxide (Amorphous man-made glass)
Opalite Egg
Synthetic Glass (Simulated Opal)
Sea Glass
Man-made vitreous material
Diamond (or Simulant)
Carbon (C) or Cubic Zirconia (ZrO2)
Quartz pebble (Quartztite fragment)
Silicon Dioxide (SiO2)
Opalite
Synthetic Opalite (Man-made glass)
Diamond (or Diamond Simulant)
Carbon (C)
Tumbled black stone, likely black obsidian
Obsidian (volcanic glass; chiefly silica-rich rhyolitic composition)
Diamond (or Diamond Simulant)
Carbon (C) or Cubic Zirconia (ZrO2)
Polished blue glassy mineral specimen, likely sodalite or blue aventurine
Most consistent with sodalite (Na₈Al₆Si₆O₂₄Cl₂), though dyed quartzite or blue glass cannot be excluded from the photograph
Opalite
Synthetic Opalised Glass
Opalite
Man-made Glass (Synthetic Opalized Glass)
Polished gemstone tower assortment
Primarily quartz varieties and simulants; apparent amethyst (SiO₂), rose quartz (SiO₂), clear quartz (SiO₂), fluorite (CaF₂), sodalite, malachite, and possibly dyed or composite stones