Opalite (Man-made Glass)
Synthetic Silicon Dioxide Glass (SiO2 + metal oxides)
Category
Browse synthetic (glass) specimens identified by the Rock Identifier community.
Opalite (Man-made Glass)
Synthetic Silicon Dioxide Glass (SiO2 + metal oxides)
Quartz (Smoky Quartz variant)
Silicon Dioxide (SiO2)
Blue Sapphire
Corundum (Al2O3 with trace Titanium and Iron)
Smoky Quartz
Silicon Dioxide (SiO2)
Emerald
Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities
Blue Sapphire
Corundum (Al2O3)
Goldstone (with Tiger's Eye and Quartz)
Aventurine glass (Synthetic SiO2 with Cu inclusions)
Ruby
Corundum (Al2O3 with Chromium trace)
Man-made Glass (Tumbled/Shaped)
Amorphous Silicon Dioxide (SiO2) with metal oxide colorants
Goldstone (Synthetic Aventurescence Glass)
Cuprous Aventurescent Glass (Silicon Dioxide with Copper inclusions)
Diamond (or Diamond Simulant)
Carbon (C) or Cubic Zirconia (ZrO2)
Asphalt / Road Aggregate
Bituminous Conglomerate (synthetic)
Blue-beaded gemstone jewelry, likely lapis lazuli or dyed blue agate
Uncertain from the image; possible lazurite-bearing lapis lazuli (Na₃Ca(Si₃Al₃)O₁₂S) or blue chalcedony (SiO₂)
Ruby (varieties of Corundum)
Aluminum oxide (Al2O3) with Chromium traces
Colorless faceted gemstone, likely cubic zirconia
Cubic zirconia (synthetic ZrO₂), possibly glass or white sapphire
Smoky Quartz
Silicon Dioxide (SiO2)
Ruby (Rough/Raw)
Corundum (Al2O3:Cr)
Diamond (or Cut Gemstone / Cubic Zirconia)
Carbon (C)
Ruby (Raw Corundum)
Al2O3 (Aluminum Oxide)
Man-made Jewelry (Metal and Glass/Plastic)
Synthetic Alloy and Amorphous Solid (SiO2/Polymer)
Cubic Zirconia (Jewelry Setting)
Zirconium Dioxide (ZrO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Cubic Zirconia and Synthetic Ruby Jewelry
Cubic Zirconia (ZrO2) and Synthetic Corundum (Al2O3)
Fluorite
Calcium Fluoride (CaF2)
Colorless faceted gemstone (likely cubic zirconia)
Cubic zirconia, zirconium dioxide (ZrO₂); possibly synthetic quartz or glass imitation
Smoky Quartz
Silicon Dioxide (SiO2)
Note on Image Identification: Textile
N/A (Anthropogenic material)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Emerald
Beryl, Be₃Al₂(SiO₃)₆, colored green mainly by chromium and/or vanadium
Agate (Polished Sphere)
Silicon Dioxide (SiO2)
Diamond (or synthetic simulant)
Cubic C (Carbon)
Diamond (or Diamond Simulant)
Carbon (C) if diamond, various if simulant
Cubic Zirconia
Zirconium Dioxide (ZrO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Blue Topaz
Topaz [Al2SiO4(F,OH)2]
Green cabochon gemstone pendant, likely turquoise or dyed green turquoise
Probably turquoise, CuAl₆(PO₄)₄(OH)₈·4H₂O; exact identification requires testing
Beach Pebble Quartzite / Chalcedony Pebble
Silicon Dioxide (SiO2)
Colorless faceted gemstone, likely cubic zirconia
Cubic zirconia (zirconium dioxide, ZrO₂); visual confirmation is unavailable
Smoky Quartz
Smoky Quartz (Silicon Dioxide - SiO2)
Silicon
Element Si
Silicon Carbide (Carborundum)
Silicon Carbide, SiC