Opalite (Man-made Glass)
Synthetic Silicon Dioxide Glass (SiO2 + metal oxides)
Synthetic Mineral Simulant / Glass
Category
Synthetic Polymer (Synthetic Material)
Browse synthetic polymer (synthetic material) specimens identified by the Rock Identifier community.
Learn about Synthetic Polymer (Synthetic Material) in the encyclopedia
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Opalite
Synthetic Glass (Hydrated Crystalline Silicon Dioxide simulation)
mineral
Banded Black Onyx (Chalcedony)
Silicon Dioxide (SiO₂)
mineral
Ametrine
Ametrine (SiO2 - Silicon Dioxide with trace amounts of Iron)
mineral
Colorless faceted gemstone (likely cubic zirconia)
Cubic zirconia, zirconium dioxide (ZrO₂); possibly synthetic quartz or glass imitation
gemstone
Strawberry Quartz (Lepidocrosite/Hematite-Included Quartz)
Quartz (Silicon Dioxide) with Lepidocrosite or Hematite inclusions (SiO2 + Fe2O3 · nH2O)
mineral
Lapis Lazuli
Lazurite-rich metamorphic rock (approx. Na6Ca2(Al6Si6O24)(S,SO4,Cl)1,2)
metamorphic
Man-made Green Quartz (Lab-grown or Treated)
Silicon Dioxide (SiO2) with artificial coloration
mineral
Strawberry Quartz and Rose Quartz
Silicon Dioxide (SiO2) with inclusions
mineral
Chalcanthite
Copper(II) sulfate pentahydrate (CuSO4·5H2O)
mineral
Cubic Zirconia (Simulated Diamond)
Cubic Zirconia (ZrO2)
mineral
Likely diamond accent
Diamond (crystalline carbon, C)
gemstone
Opalite
Man-made opalized glass
mineral
Goldstone
Aventurine Glass (SiO2 + Cu small inclusions)
man-made glass mineral simulant
Green Glass (often marketed as 'Obsidian' or 'Green Quartz')
Amorphous Silica (SiO2) with copper or chromium additives
Mineraloid (Man-made)
Dalmatian Stone
Dalmatian Stone (Felsic Igneous Rock)
igneous
Sapphire (Blue)
Corundum (Al2O3)
mineral
White Sapphire
Corundum (Al2O3)
mineral
White Opal
Hydrated Amorphous Silica (SiO2·nH2O)
Mineraloid
Smoky Quartz
Silicon Dioxide (SiO2) with aluminum impurities and natural radiation
mineral
Tourmalinated Quartz
Crystalline Silicon Dioxide with Schorl inclusions (SiO2 + NaFe3Al6(BO3)3Si6O18(OH)4)
mineral
Ruby (set in a gold pendant)
Ruby (Variety of Corundum, Al2O3)
mineral
Ruby
Corundum (Al2O3 with Chromium traces)
mineral
Blue Sapphire
Corundum (Al2O3)
mineral
Corundum (variety Ruby/Sapphire)
Aluminum Oxide (Al2O3)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Emerald
Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)
gemstone
Diamond (or high-quality simulant like Cubic Zirconia)
Carbon (C) - Native Element
mineral
Opalite
Synthetic Glass, SiO2 base with metallic inclusions
mineraloid (synthetic)
Opalite
Synthetic Glass / Man-made Opal Simulant
gemstone
Opalite
Man-made Glass (Synthetic Opalized Glass)
gemstone
Quartzite (Engineered Stone)
Silicon Dioxide (SiO2) based synthetic composite
metamorphic
Emerald
Beryl (Be3Al2(SiO3)6) with trace Chromium/Vanadium
mineral
Goldstone (Red)
Aventurine Glass
Man-made material (Simulated Mineral)
Opalite
Man-made opalescent glass (SiO2 + metal oxides)
mineral (synthetic)
Lapis Lazuli
Lapis lazuli (complex rock; primarily Lazurite: (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)
metamorphic
Diamond
Carbon (C), Native Element
mineral
Diamond (Faceted)
Carbon (C)
gemstone
Blue Dyed Agate
Cryptocrystalline Quartz (SiO2)
mineral
Cubic Zirconia (CZ) Jewelry
Zirconium dioxide (ZrO2)
mineral (synthetic)
Anthracite Coal
Anthracite (Carbon ≥ 86%)
sedimentary