White Sapphire
Corundum (Al2O3)
Category
Browse synthetic polymer (synthetic material) specimens identified by the Rock Identifier community.
White Sapphire
Corundum (Al2O3)
Opalite (a synthetic glass, often confused with Opal)
Silicon dioxide glass (SiO2nH2O, for natural opal)
White Opal
Hydrated Amorphous Silica (SiO2·nH2O)
Lapis Lazuli
Lazurite-rich metamorphic rock (approx. Na6Ca2(Al6Si6O24)(S,SO4,Cl)1,2)
Man-made Green Quartz (Lab-grown or Treated)
Silicon Dioxide (SiO2) with artificial coloration
Strawberry Quartz (Lepidocrosite/Hematite-Included Quartz)
Quartz (Silicon Dioxide) with Lepidocrosite or Hematite inclusions (SiO2 + Fe2O3 · nH2O)
Ruby
Corundum (Al2O3 with Chromium traces)
Blue Sapphire
Corundum (Al2O3)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Smoky Quartz
Silicon Dioxide (SiO2)
Green Glass (often marketed as 'Obsidian' or 'Green Quartz')
Amorphous Silica (SiO2) with copper or chromium additives
Fluorite
Calcium Fluoride (CaF2)
Ruby
Corundum (Al2O3 with Chromium impurities)
Goldstone (Red)
Aventurine Glass
Banded Black Onyx (Chalcedony)
Silicon Dioxide (SiO₂)
Opalite (Man-made Glass)
Synthetic Silicon Dioxide Glass (SiO2 + metal oxides)
Opalite
Synthetic Glass, SiO2 base with metallic inclusions
Citrine
Citrine (Silicon Dioxide, SiO2)
Iolite (Cordierite)
Cordierite (Magnesium Aluminum Silicate), Mg2Al4Si5O18
Smoky Quartz
Smoky Quartz (Silicon Dioxide - SiO2)
Blue Sapphire
Corundum (Al2O3 with trace Titanium and Iron)
Smoky Quartz (with Druzy/Polished Edge)
Smoky Quartz (Silicon Dioxide, SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Ruby
Corundum (Al2O3 with Chromium trace elements)
Smoky Quartz
Silicon Dioxide (SiO2) with aluminum impurities and natural radiation
Ruby (set in a gold pendant)
Ruby (Variety of Corundum, Al2O3)
Opal
Hydrated amorphous form of silica (SiO2·nH2O)
Opal
Hydrated Amorphous Silica (SiO2·nH2O)
Goldstone (Red/Brown)
Aventurine Glass (SiO2 with Copper inclusions)
Diamond (or high-quality simulant like Cubic Zirconia)
Carbon (C) - Native Element
Emerald
Beryl (Be3Al2(SiO3)6) with trace Chromium/Vanadium
Opalite
Man-made opalescent glass (SiO2 + metal oxides)
Blue Sapphire
Corundum (Al2O3)
Ruby (Corundum)
Corundum (Aluminum Oxide) with chromium trace elements, Al2O3
Pink Sapphire
Corundum (Al2O3 with trace Chromium and Iron)
Ruby
Corundum (Aluminium Oxide with Chromium impurities, Al2O3:Cr)
Cubic Zirconia (CZ) Jewelry
Zirconium dioxide (ZrO2)
Rose Quartz
Silicon Dioxide (SiO2)
Engineer Quartz/Quartzite
SiO2 (Silicon Dioxide with binders)
Hematite
Iron(III) oxide (Fe2O3)
Hematite
Iron(III) oxide (Fe2O3)
Jadeite and Mixed Gemstones (Ruby, Sapphire, Emerald)
Jadeite (NaAlSi2O6), Corundum (Al2O3), Beryl (Be3Al2(Si6O18))