Blue Sapphire (in a faceted jewelry setting)
Corundum (Al2O3) with trace Iron and Titanium
mineral
Category
Synthetic Glass
Browse synthetic glass specimens identified by the Rock Identifier community.
Learn about Synthetic Glass in the encyclopedia
View all →
Ruby
Corundum (Al2O3 with Chromium)
mineral
Raw Topaz
Aluminum Silicate Fluoride Hydroxide, Al2SiO4(F,OH)2
mineral
Carborundum (Silicon Carbide)
Silicon Carbide (SiC)
mineral
K2 Stone (or K2 Jasper)
Azurite-in-Granite (Potassium Feldspar, Quartz, Plagioclase, Muscovite, and Azurite)
igneous
Dyed Agate Geode
Silicon Dioxide (SiO2) with artificial pigment
mineral
Asphalt (Bituminous Concrete)
Bituminous mix / Anthropogenic conglomerate
man-made composite (lithified equivalent of sedimentary)
Cubic Zirconia (Faceted)
Zirconium dioxide (ZrO2)
mineral
Cubic Zirconia (Simulated Diamond)
Zirconium dioxide (ZrO2)
mineral
Blue faceted gemstones, likely blue sapphire
Corundum (Al₂O₃), blue varieties colored chiefly by iron and titanium
gemstone
Clear Quartz (Faceted) / White Sapphire / Goshenite
Silicon Dioxide (SiO2) / Aluminium Oxide (Al2O3)
gemstone
Sedimentary Rock with Crafts (Pet Rock)
Sedimentary rock decorated with synthetic materials
sedimentary
Pink Dyed Agate
Silicon Dioxide (SiO2) with synthetic pigment
mineral
Dyed Quartzite
Metamorphosed Quartz (SiO2) with synthetic pigment
metamorphic
Synthetic Resin / Plastic Figurine
Synthetic Polymer (Copolymer of Polyethylene or Resin)
Mineraloid-like Synthetic Material
Dyed Crackle Quartz
Silicon Dioxide (SiO2) with synthetic dye
mineral
Dyed Agate
Silicon Dioxide (SiO2) with synthetic dyes
mineral
Lava Stone and Chakra Beads
Basalt (with various mineral/synthetic beads)
igneous
Blue Cracked Quartz (Dyed Fire Crackle Quartz)
Silicon Dioxide (SiO2) with synthetic dye
mineral
Diamond (or Diamond Simulant)
Carbon (C)
gemstone
Orange cabochon gemstone, likely amber or amber-like resin
Natural amber: fossilized plant resin (organic mineraloid), commonly succinite; exact identification requires testing
gemstone
Ruby (Pink to Red Corundum)
Al2O3 (Corundum with Chromium impurities)
mineral
Ruby
Corundum (Al2O3 with Chromium traces)
mineral
Amethyst (Resin Carving/Orgonite)
Silicon Dioxide (SiO2) with iron impurities
mineral
Cubic Zirconia (Man-made)
Cubic Zirconia (ZrO2) with Enamel and Metal Alloy
mineral
Ruby (Corundum)
Corundum (Aluminum Oxide with Chromium), Al2O3:Cr
mineral
Coal (Anthracite/Bituminous)
Carbo fossilium (primarily Carbon)
sedimentary
Diamond (or Cubic Zirconia simulant)
Carbon (C) - Diamond / Zirconium dioxide (ZrO2) - CZ
mineral
Sandstone (likely Fossilized Wood or Concrete Simulacrum)
Arenite / Silicified Wood / Anthropogenic Concrete
sedimentary
Pink Cubic Zirconia (CZ)
Zirconium Dioxide (ZrO2)
mineral (synthetic)
Carborundum (Silicon Carbide)
Silicon Carbide (SiC)
mineral (synthetic)
Painted River Rock
Anthropogenic-modified Siliciclastic Sedimentary Rock
Sedimentary
Dyed Agate
Chalcedony (SiO2)
mineral
Ammolite
Biogenic gemstone (Aragonite, CaCO3)
mineral
Assorted Semi-Precious Gemstone Crosses
Quartz, Silicates, Carbonates (various)
mineral
Cubic Zirconia
Zirconium Dioxide (ZrO2)
mineral
Emerald
Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities
mineral
Larimar
Pectolite (NaCa2Si3O8(OH))
Mineral variant / Gemstone
Cubic Zirconia (Jewelry Setting)
Cubic Zirconia (ZrO2)
gemstone
Cubic Zirconia (Faceted)
Zirconium Dioxide (ZrO2)
mineral
Synthetic Blue Aura Quartz
Silicon Dioxide (SiO2) with Metallic Infusion
mineral (synthetic/man-made coating)
Magnetite or Hematite-rich Ore
Magnetite (Fe3O4) or Hematite (Fe2O3)
mineral