Diamond (or Cubic Zirconia)
Carbon (C) or Zirconium Dioxide (ZrO2)
gemstone
Category
Synthetic Mineral
Browse synthetic mineral specimens identified by the Rock Identifier community.
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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 glass / Opalized glass
gemstone
Opalite (Synthetic Moonstone/Sea Opal)
Silicon Dioxide (SiO2) glass with metallic inclusions
Synthetic/Man-made Glass
The user-provided image does not contain a rock or mineral specimen
N/A
Ruby (Raw Corundum)
Al2O3 (Aluminum Oxide)
mineral
Clear Quartz (Faceted) or Cubic Zirconia / Glass imitation
SiO2 (if Quartz), ZrO2 (if Cubic Zirconia)
mineral
Opalite
Synthetic Opalite Glass / Opalized Glass
gemstone
Note on Image Identification: Textile
N/A (Anthropogenic material)
not a rock
Opalite
Synthetic Opalised Glass
mineral
Opalite
Synthetic Opalised Glass
mineral
Cubic Zirconia (Jewelry Setting)
Zirconium Dioxide (ZrO2)
gemstone
Opalite
Man-made glass (traditionally simulated Opal)
mineral
Opalite (Man-made Glass)
Synthetic Opalised Glass
mineral
Pink faceted gemstone, likely synthetic ruby or pink sapphire
Corundum (Al₂O₃), possibly chromium-colored ruby; synthetic origin likely
gemstone
Blue Goldstone
Man-made glass with crystalline copper/cobalt inclusions
mineral
Gemstone Ring
Various (Likely Glass, Cubic Zirconia, or assorted semi-precious stones)
gemstone
Opalite
Synthetic Opalite Glass
mineraloid (man-made)
Goldstone
Aventurine Glass (Man-made)
mineral
Blue Sapphire (likely costume glass imitation)
Corundum (Al2O3) with iron/titanium impurities
mineral
Silicon Carbide (Carborundum)
Silicon Carbide, SiC
mineral
Opalite
Synthetic glass / Opaque silicious glass
gemstone
Costume Jewelry with Synthetic Gemstones
Synthetic Cubic Zirconia and Glass (SiO2 / ZrO2)
mineral
Faceted Clear Gemstone (Likely Quartz or Cubic Zirconia)
Silicon Dioxide (SiO2) or Zirconium Dioxide (ZrO2)
gemstone
Limonite (Iron Ore)
Limonite; FeO(OH)·nH2O
mineral
Parti Sapphire
Corundum (Al2O3)
mineral
Cubic Zirconia (simulant) or Diamond
ZrO2 (Cubic Zirconia) or C (Diamond)
gemstone
Ruby / Red Corundum
Al2O3 (Aluminum Oxide with Chromium trace)
gemstone
Cubic Zirconia
Cubic Zirconium Dioxide (ZrO2)
mineral
Cubic Zirconia
Zirconium dioxide (ZrO2)
mineral
Man-made Synthetic Material (Plastic/Composite)
Acrylonitrile Butadiene Styrene (ABS) or High-Impact Polystyrene (HIPS)
Non-geological / Synthetic
Clear Quartz crystals on a Matrix base (Geode fragment)
Silicon Dioxide (SiO2)
mineral
Note: Item is not a geological specimen
Polyester mesh and Ethylene-vinyl acetate (EVA) polymer
Synthetic / Anthropogenic Material
Ruby / Red Tourmaline
Corundum (Al2O3) or Elbaite (Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)4)
mineral
Asphalt / Road Aggregate
Bituminous Conglomerate (synthetic)
sedimentary