Cubic Zirconia (Jewelry Setting)
Zirconium Dioxide (ZrO2)
Category
Browse mineral (synthetic glass) specimens identified by the Rock Identifier community.
Cubic Zirconia (Jewelry Setting)
Zirconium Dioxide (ZrO2)
Gold and Cubic Zirconia (San Judas Tadeo Pendant)
Native Gold (Au) with Synthetic Cubic Zirconia (ZrO2)
Small faceted gemstone, likely diamond
Diamond (crystalline carbon, C)
Smoky Quartz
Silicon dioxide with aluminum impurities (SiO2)
Green glassy cabochon, likely dyed or synthetic material
Uncertain; possibly green obsidian, chrysoprase, or synthetic glass
Green faceted bead strand, likely dyed or synthetic material
Uncertain; possibly green-dyed quartz, glass, or lab-created emerald-like material
Citrine
Silicon Dioxide (SiO2)
Green faceted gemstone, likely emerald
Beryl, Be₃Al₂Si₆O₁₈, colored green by chromium and/or vanadium
Silicon
Element Si
Asphalt / Road Aggregate
Bituminous Conglomerate (synthetic)
Note on Image Identification: Textile
N/A (Anthropogenic material)
Green Glass (often marketed as 'Obsidian' or 'Green Quartz')
Amorphous Silica (SiO2) with copper or chromium additives
Cubic Zirconia (Faceted)
Zirconium dioxide (ZrO2)
Silicon Carbide (Carborundum)
Silicon Carbide (SiC)
Jadeite and Mixed Gemstones (Ruby, Sapphire, Emerald)
Jadeite (NaAlSi2O6), Corundum (Al2O3), Beryl (Be3Al2(Si6O18))
Blue cabochon, likely dyed or synthetic material
Undetermined; possibly dyed chalcedony (SiO₂), glass, or synthetic corundum
Blue Goldstone
Aventurine Glass (SiO2 with Cobalt/Copper inclusions)
Blue quartz crystal (likely synthetic or coated quartz)
Quartz, silicon dioxide (SiO₂); possible aqua-aura quartz
Colorless faceted gemstone, likely quartz
Quartz (SiO₂), probably rock crystal; exact identification is uncertain from the strongly backlit image
Blue faceted gemstone ring, likely synthetic sapphire or blue topaz
Uncertain from image; possible corundum (Al₂O₃) or topaz (Al₂SiO₄(F,OH)₂)
Gemstone-set silver jewelry piece
Likely mixed faceted gemstones in a silver-colored metal setting; stones may include sapphire, ruby/garnet, and yellow sapphire or citrine, but the image is insufficient for species-level identification.
Green faceted gemstone, likely tsavorite garnet
Tsavorite: green grossular garnet, Ca₃Al₂(SiO₄)₃
Tumbled green beryl or glassy green gemstone
Likely beryl, Be₃Al₂Si₆O₁₈; possibly treated emerald or synthetic glass
Blue Goldstone
Aventurine Glass
Blue faceted gemstone, likely synthetic sapphire or blue glass
Corundum (Al₂O₃) if sapphire; identity cannot be confirmed visually
Blue Topaz
Topaz [Al2SiO4(F,OH)2]
Faceted clear quartz (rock crystal), likely a cut imitation or low-grade gemstone
Quartz, silicon dioxide (SiO₂)
Faceted blue gemstone, likely aquamarine
Aquamarine—blue beryl, Be₃Al₂Si₆O₁₈; identification is uncertain from the image alone
Goldstone (Red/Brown)
Aventurine Glass (SiO2 with Copper inclusions)
Smoky Quartz
Smoky Quartz (Silicon Dioxide - SiO2)
Iridescent polished gemstone, likely opal
Common or precious opal (hydrated amorphous silica, SiO₂·nH₂O), possibly synthetic or glass imitation
Red faceted gemstone jewelry setting
Likely synthetic ruby or red spinel centerpiece with colorless accent stones; exact identification requires gemological testing
Blue glass-like heart pendant, likely synthetic blue spinel or colored glass
Unconfirmed; possibly synthetic spinel (MgAl₂O₄) or cobalt-colored glass
Smoky Quartz
Silicon Dioxide (SiO2) with aluminum impurities and natural radiation
Artificial Rock Face (Faux Rock)
Glass Fiber Reinforced Concrete (GFRC)
Faceted clear gemstone, likely quartz or glass imitation
Most likely quartz (SiO₂); exact identification requires refractive-index and hardness tests
Smoky Quartz
Silicon Dioxide (SiO2)
Amethyst stud earrings
Amethyst, purple quartz (SiO₂)
Silicon Carbide (Carborundum)
Moissanite (SiC)
Black faceted gemstone, possibly black spinel or onyx
Undetermined; candidates include spinel (MgAl₂O₄) or chalcedony (SiO₂)
Tourmalinated Quartz
Crystalline Silicon Dioxide with Schorl inclusions (SiO2 + NaFe3Al6(BO3)3Si6O18(OH)4)
Smoky Quartz
Silicon Dioxide (SiO2)