Opalite
Man-made opalescent glass (SiO2 + metal oxides)
Category
Browse sedimentary (synthetic) specimens identified by the Rock Identifier community.
Opalite
Man-made opalescent glass (SiO2 + metal oxides)
Artisanal Glass Beads (Simulated Goldstone or Aventurine Glass)
Silicon Dioxide (SiO2) with metallic inclusions
Note: Item is not a geological specimen
Polyester mesh and Ethylene-vinyl acetate (EVA) polymer
Plastic Building Toy (Lego-style piece)
Acrylonitrile Butadiene Styrene (ABS)
Synthetic Sapphire and Ion-X Glass
Single-crystal Alumina (Al2O3) and Ion-strengthened Aluminosilicate Glass
Note: Item is a Synthetic/Man-made Object
Titanium-coated Stainless Steel (Fe-Cr-Ni-Ti)
Luminous Stone (Glow-in-the-dark Synthetic/Man-made Stone)
Strontium Aluminate tinted glass or resin (Crystalline silicate/oxide mix)
Man-made Synthetic Material (Not a rock or mineral)
Polyester (Polyethylene terephthalate) / Faux Fur
Man-made Synthetic Material (Plastic/Composite)
Acrylonitrile Butadiene Styrene (ABS) or High-Impact Polystyrene (HIPS)
Opal
Hydrated Amorphous Silica (SiO2·nH2O)
Synthetic Costume Glove (Paws)
Polyethylene terephthalate (Polyester) & Polyurethane blend
Corundum (Pink Sapphire / Ruby)
Al2O3 (Aluminum Oxide)
Hematite
Iron(III) oxide (Fe2O3)
Hematite
Iron(III) oxide (Fe2O3)
Lapis Lazuli (Tumbled Stone)
Na6Ca2(Al6Si6O24)(SO4,S,Cl)2 (predominantly Lazurite)
Silicon Carbide (Carborundum)
Silicon Carbide (SiC)
Zirconia (Ceramic) & Ion-X Glass
Zirconium Dioxide (ZrO2) and Ion-strengthened Aluminosilicate Glass
Amber (Simulated/Faturan Style)
Resin mix (Likely Phenolic/Celluloid if synthetic, Succinite if natural)
Cubic Zirconia (as a jewelry specimen)
Zirconium dioxide (ZrO2)
Hematite
Iron(III) oxide (Fe2O3)
Digital Multimeter (Synthetic Object)
Digital Multimeter (DMM)
Lapis Lazuli
Lazurite-dominant metamorphic rock, Na8[Al6Si6O24]n(S,Cl,SO4,OH)2
Synthetic Costume Accessory (Non-Geological)
Polyester and Acrylic Fiber (Anthropogenic polymer)
Blue Opal Inlay (Simulated/Lab-created)
Hydrated Amorphous Silica (SiO2·nH2O) with polymer resin
Cubic Zirconia (CZ)
Cubic Zirconium Dioxide (ZrO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Ruby
Corundum (Al2O3)
Synthetic Faux Fur Fursuit
Polyacrylonitrile / Polyester (Synthetic Textile)
Opaline Glass (Opalite)
Synthetic Silicon Dioxide Glass
Opalite
Synthetic Glass (Simulated Opal)
Pearl and Garnet Glass
Calcium Carbonate (CaCO3) for pearl; Silicon Dioxide (SiO2) for glass
Lapis Lazuli
Lazurite-dominated metamorphic rock ((Na,Ca)8(AlSiO4)6(SO4,S,Cl)2)
Artificial Rock Face (Faux Rock)
Glass Fiber Reinforced Concrete (GFRC)
Emerald
Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities
Asphalt (Bituminous Concrete)
Bituminous mix / Anthropogenic conglomerate
Costume Jewelry Gemstones (Emerald-imitation and semi-precious beads)
BeCuAl6Si6O18 (Beryl structure), frequently simulated by glass or synthetic spinel
Bouncy Ball (Synthetic Rubber Polymer)
Polybutadiene / Ethylene Vinyl Acetate (EVA)
Dyed Alum or Dyed Quartz (Ornamental Crystal)
Silicon Dioxide (SiO2) or Potassium Alum [KAl(SO4)2·12H2O]
Silicon Carbide (Carborundum)
Moissanite (SiC)
Cobalt Glass Slug (Man-made Glass)
Amorphous Silica with Cobalt Oxide (SiO2 + CoO)
Cubic Zirconia (CZ)
Zirconium dioxide (ZrO2)
Moissanite
Silicon Carbide (SiC)