Faceted Gemstone
Unknown transparent mineral, possibly Diamond (C), Cubic Zirconia (ZrO2), Quartz (SiO2), or Glass
Category
Browse synthetic specimens identified by the Rock Identifier community.
Faceted Gemstone
Unknown transparent mineral, possibly Diamond (C), Cubic Zirconia (ZrO2), Quartz (SiO2), or Glass
Blue cabochon gemstone, likely synthetic spinel or glass
Undetermined; possible synthetic cobalt-blue spinel (MgAl₂O₄) or colored glass
Cubic Zirconia (as used in jewelry setting)
Zirconium dioxide (ZrO2)
Pink faceted gemstone, likely synthetic ruby or pink sapphire
Corundum (Al₂O₃), possibly chromium-colored ruby; synthetic origin likely
The user-provided image does not contain a rock or mineral specimen
Man-made Synthetic Material (Costume Faux Fur)
Synthetic Polymer (Polyester/Acrylic)
Cubic Zirconia
Zirconium dioxide (ZrO2)
Ruby (in costume jewelry context)
Corundum (Al2O3) with Chromium impurities
Purple cabochon gemstone, likely amethyst or purple sapphire/spinel
Indeterminate from image; possible quartz (SiO₂), corundum (Al₂O₃), or spinel (MgAl₂O₄)
Loose faceted colorless gemstones, likely quartz or glass-like mineral chips
Most consistent with quartz (SiO₂), though the photograph cannot exclude synthetic cubic zirconia or glass
Opalite (Synthetic Moonstone/Sea Opal)
Silicon Dioxide (SiO2) glass with metallic inclusions
Cubic Zirconia (simulant) or Diamond
ZrO2 (Cubic Zirconia) or C (Diamond)
Opalite
Synthetic glass / Opalized glass
Red gemstone ring, likely synthetic ruby or red spinel
Ruby: corundum (Al₂O₃); spinel: MgAl₂O₄; exact identity requires testing
Red glassy cabochon, likely synthetic ruby or red glass
Uncertain; possible synthetic corundum (Al₂O₃, chromium-colored) or man-made glass
Diamond (or Cubic Zirconia)
Cubic Carbon (C) or Zirconium Dioxide (ZrO2)
Rainbow Hematite / Magnetic Hematite
Iron oxide (Fe2O3) - often synthetic/coated for beads
Star sapphire ring
Corundum (Al₂O₃), likely asteriated sapphire
Opalite
Synthetic Opalised Glass
Opalite
Synthetic Opalised Glass
Opalite
Synthetic opalescent glass
Asphalt / Road Aggregate
Bituminous Conglomerate (synthetic)
Opalite
Synthetic Opalized Glass
Ruby (set in a ring; possibly synthetic or imitation)
Corundum, Al₂O₃; red color is typically caused by chromium
Faceted Clear Gemstone (Likely Quartz or Cubic Zirconia)
Silicon Dioxide (SiO2) or Zirconium Dioxide (ZrO2)
Faceted Quartz or Cubic Zirconia
SiO2 (Quartz) or ZrO2 (Cubic Zirconia)
Opalite
Synthetic Opalized Glass
Opalite
Synthetic Opalite Glass
Opalite
Synthetic Opalised Glass
Opalite (Synthetic Moonstone/Opal)
Synthetic Silica Glass
Opalite
Synthetic Opalised Glass
Opalite
Synthetic Opalised Glass
Opalite (Man-made Glass)
Synthetic Opalised Glass
Faceted Clear Quartz or Diamond Simulant
Silicon Dioxide (SiO2) if Quartz or Cubic Zirconia (ZrO2) if Synthetic
Clear Quartz (Faceted) or Cubic Zirconia / Glass imitation
SiO2 (if Quartz), ZrO2 (if Cubic Zirconia)
Opalite
Synthetic glass (SiO2 + impurities)
Gemstone ring (stones not identifiable from image)
Unknown; the ring appears to contain two yellow stones and one colorless stone, possibly faceted gemstones or simulants
Gemstone rings (stones not reliably identifiable)
The pale stone may be quartz or another translucent gem; the red stone may be ruby, garnet, or synthetic corundum. Image detail is insufficient for identification.
Opalite
Synthetic Opalite Glass / Opalized Glass
Red gemstone ring, likely ruby or synthetic ruby
Corundum (Al₂O₃), chromium-colored; the image alone cannot confirm whether it is natural or synthetic
Blue cabochon gemstone ring
Uncertain; likely blue sapphire (corundum, Al₂O₃), blue topaz, or synthetic glass/spinel
Faceted Gemstones (Mixed)
Various (e.g., Corundum, Beryl, Quartz, or synthetic equivalents)