Diamond (or Cubic Zirconia)
Carbon (C) or Zirconium Dioxide (ZrO2)
gemstone
Category
Synthetic Mineral
Browse synthetic mineral specimens identified by the Rock Identifier community.
Learn about Synthetic Mineral in the encyclopedia
View all →
Cubic Zirconia (Faceted)
Zirconium dioxide (ZrO2)
mineral
Zirconia (Ceramic) & Ion-X Glass
Zirconium Dioxide (ZrO2) and Ion-strengthened Aluminosilicate Glass
Synthetic Mineral / Glass
Opalite (Man-made Glass)
Synthetic Silicon Dioxide Glass (SiO2 + metal oxides)
Synthetic Mineral Simulant / Glass
Faceted Gemstone
Unknown transparent mineral, possibly Diamond (C), Cubic Zirconia (ZrO2), Quartz (SiO2), or Glass
gemstone
Cubic Zirconia (as used in jewelry setting)
Zirconium dioxide (ZrO2)
mineral
Man-made Synthetic Material (Costume Faux Fur)
Synthetic Polymer (Polyester/Acrylic)
not a rock
Cubic Zirconia
Zirconium dioxide (ZrO2)
mineral
Ruby (in costume jewelry context)
Corundum (Al2O3) with Chromium impurities
mineral
Opalite (Synthetic Moonstone/Sea Opal)
Silicon Dioxide (SiO2) glass with metallic inclusions
Synthetic/Man-made Glass
Opalite
Synthetic glass / Opalized glass
gemstone
Blue cabochon gemstone, likely synthetic spinel or glass
Undetermined; possible synthetic cobalt-blue spinel (MgAl₂O₄) or colored glass
gemstone
The user-provided image does not contain a rock or mineral specimen
N/A
Ruby (set in a ring; possibly synthetic or imitation)
Corundum, Al₂O₃; red color is typically caused by chromium
gemstone
Ruby (Raw Corundum)
Al2O3 (Aluminum Oxide)
mineral
Rainbow Hematite / Magnetic Hematite
Iron oxide (Fe2O3) - often synthetic/coated for beads
mineral
Opalite
Synthetic Opalised Glass
mineral
Opalite
Synthetic Opalised Glass
mineral
Opalite (Man-made Glass)
Synthetic Opalised Glass
mineral
Small colored gemstone or glass cabochons (uncertain)
Not identifiable from the image; the pieces may be colored glass or synthetic stones rather than natural minerals.
gemstone
Opalite
Synthetic glass (SiO2 + impurities)
mineral
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
gemstone
Clear Quartz (Faceted) or Cubic Zirconia / Glass imitation
SiO2 (if Quartz), ZrO2 (if Cubic Zirconia)
mineral
Opalite
Synthetic Opalite Glass / Opalized Glass
gemstone
Opalite
Synthetic Opalite Glass
mineraloid (man-made)
Opalite
Man-made glass (traditionally simulated Opal)
mineral
Cubic Zirconia (Jewelry Setting)
Zirconium Dioxide (ZrO2)
gemstone
Gemstone Ring
Various (Likely Glass, Cubic Zirconia, or assorted semi-precious stones)
gemstone
Pink faceted gemstone, likely synthetic ruby or pink sapphire
Corundum (Al₂O₃), possibly chromium-colored ruby; synthetic origin likely
gemstone
Note on Image Identification: Textile
N/A (Anthropogenic material)
not a rock
Asphalt / Road Aggregate
Bituminous Conglomerate (synthetic)
sedimentary
Silicon Carbide (Carborundum)
Silicon Carbide, SiC
mineral
Faceted gemstones, likely assorted quartz or glass-like gems
Not determinable from the photograph; possible quartz (SiO₂), topaz, or synthetic cubic zirconia
gemstone
Opalite
Synthetic opalescent glass
glass
Blue Goldstone
Man-made glass with crystalline copper/cobalt inclusions
mineral
Goldstone
Aventurine Glass (Man-made)
mineral
Opalite
Synthetic Opalized Glass
mineraloid (man-made)
Amethyst quartz cluster
Quartz, SiO₂; purple variety amethyst
mineral
Blue Sapphire (likely costume glass imitation)
Corundum (Al2O3) with iron/titanium impurities
mineral
Opalite Egg
Synthetic Glass (Simulated Opal)
mineral
Opalite
Synthetic Glass (SiO2 + impurities)
mineral
Opalite
Synthetic Silicon Dioxide (SiO2)
mineral