Blue Sapphire
Corundum (Al2O3) with traces of Iron and Titanium
Category
Browse synthetic (ceramic) specimens identified by the Rock Identifier community.
Blue Sapphire
Corundum (Al2O3) with traces of Iron and Titanium
Synthetic Marbled Aggregate (Footwear Component)
Ethylene-vinyl acetate (Croslite™)
Blue Goldstone
Aventurine Glass
Silicon Carbide (Carborundum)
Moissanite (SiC), though mostly synthetic
Cat's Eye Moonstone (Simulated/Synthetic or natural Cat's Eye Quartz/Glass)
There is no single scientific name. The appearance suggests either: Moonstone (feldspar group), Cat's Eye Quartz (SiO2), Apatite (Ca5(PO4)3(F,Cl,OH)), or most likely a synthetic material such as Fiber Optic Glass or 'Opalite' (a type of glass).
Opalite
Synthetically produced glass (Silicon Dioxide with metallic inclusions)
Anthropogenic Heat Source (Electronic/Industrial Interface)
Thermal IR emission (Electronic infrastructure)
Blue Sapphire (Synthetic or Man-made Glass Imitation)
Corundum (Al2O3) if natural; Lead-glass or Spinal if synthetic
Cubic Zirconia (Faceted)
Zirconium dioxide (ZrO2)
Cubic Zirconia (Simulated Diamond)
Zirconium dioxide (ZrO2)
Chlorite (Small Flakes/Sand)
Chlorite Group (Magnesium Iron Aluminum Silicate Hydroxide - (Mg,Fe)3(Si,Al)4O10(OH)2·(Mg,Fe)3(OH)6)
Quartzite
Quartzite (SiO2)
Diamond (or Cubic Zirconia simulant)
Carbon (C) - Diamond / Zirconium dioxide (ZrO2) - CZ
Specular Hematite (Specularite)
Iron Oxide (Fe2O3)
Ruby
Corundum (Al2O3 with Chromium traces)
Lepidolite on Pegmatite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Celestite (Celectine)
Strontium sulfate (SrSO4)
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 (Lithium-bearing Mica)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Pyrite in Quartz
Iron Sulfide (FeS2) on Silicon Dioxide (SiO2)
Ruby (Corundum)
Corundum (Aluminum Oxide with Chromium), Al2O3:Cr
Blue Sapphire
Corundum (Al2O3 with trace Titanium and Iron)
Sandstone (likely Fossilized Wood or Concrete Simulacrum)
Arenite / Silicified Wood / Anthropogenic Concrete
Hematite
Iron(III) oxide (Fe2O3)
Spinel
Magnesium Aluminum Oxide (MgAl2O4)
Rough Ruby
Corundum (Al2O3 with Chromium impurities)
Smoky Quartz
Silicon Dioxide (SiO2)
Garden Quartz (Lodalite)
Silicon Dioxide with various mineral inclusions (SiO2)
Painted River Rock
Anthropogenic-modified Siliciclastic Sedimentary Rock
Silicon Carbide (Carborundum)
Silicon Carbide (SiC)
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Gold Nugget
Native Gold (Au)
Emerald in Matrix
Beryl (Be3Al2Si6O18) with trace amounts of Chromium/Vanadium
Man-made Jewelry Charm (Enameled Metal)
Not a natural mineral; composed of base metal alloy (likely zinc or brass) and epoxy resin/enamel.
Assorted Semi-Precious Gemstone Crosses
Quartz, Silicates, Carbonates (various)
Opalite
Man-made Glass (SiO2 + additives)
Blue Goldstone
Synthetic Avanturine Glass (or Aventurine Glass)
Blue Cracked Quartz (Dyed Fire Crackle Quartz)
Silicon Dioxide (SiO2) with synthetic dye
Lava Stone and Chakra Beads
Basalt (with various mineral/synthetic beads)
Opalite
Synthetic Fluorescent Glass (SiO2 + impurities)
K2 Stone (or K2 Jasper)
Azurite-in-Granite (Potassium Feldspar, Quartz, Plagioclase, Muscovite, and Azurite)
Peacock Ore
Bornite (Cu5FeS4)