Man-made Jewelry (Metal and Glass/Plastic)
Synthetic Alloy and Amorphous Solid (SiO2/Polymer)
Category
Browse synthetic glass (often categorized as a simulated mineral) specimens identified by the Rock Identifier community.
Man-made Jewelry (Metal and Glass/Plastic)
Synthetic Alloy and Amorphous Solid (SiO2/Polymer)
Blue Sapphire
Corundum (Al2O3) with traces of Iron and Titanium
Borosilicate Glass (Manufactured)
SiO2 + B2O3 (Silicon dioxide and Boron trioxide)
Ruby
Corundum (Al2O3 with Chromium traces)
Moonstone
Orthoclase Feldspar (KAlSi3O8)
Black Tourmaline
Schorl (Na(Fe²⁺)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄)
Opal
Hydrous silicon dioxide (SiO2·nH2O)
Diamond (Rough)
Diamond (Carbon, C)
Sandstone (likely Fossilized Wood or Concrete Simulacrum)
Arenite / Silicified Wood / Anthropogenic Concrete
Blue Sapphire
Corundum (Al2O3)
Rutilated Quartz
Quartz (SiO2) with Rutile inclusions (TiO2)
Blue Cracked Quartz (Dyed Fire Crackle Quartz)
Silicon Dioxide (SiO2) with synthetic dye
Man-made Jewelry Charm (Enameled Metal)
Not a natural mineral; composed of base metal alloy (likely zinc or brass) and epoxy resin/enamel.
Amber
Succinite (specifically for Baltic amber; general formula C10H16O)
Ruby (Pink to Red Corundum)
Al2O3 (Corundum with Chromium impurities)
Ruby
Corundum (Al2O3 with Chromium traces)
Amethyst (Tumbled/Weathered Quartz)
Amethyst (SiO2 with iron impurities)
Anthropogenic Heat Source (Electronic/Industrial Interface)
Thermal IR emission (Electronic infrastructure)
Chalcanthite (Likely Synthetic/Lab-Grown)
Hydrated copper(II) sulfate (CuSO4·5H2O)
Cubic Zirconia (Man-made)
Cubic Zirconia (ZrO2) with Enamel and Metal Alloy
Sodium Polyacrylate (Superabsorbent Polymer)
Sodium Polyacrylate [-CH2-CH(COONa)-]n
Rutilated Quartz
SiO2 with TiO2 inclusions (Rutile)
Zircon
Zirconium Silicate (ZrSiO₄)
Pink Dyed Agate
Silicon Dioxide (SiO2) with synthetic pigment
Dyed Agate
Silicon Dioxide (SiO2) with synthetic dyes
Goldstone (Red)
Aventurine Glass (Cupriferous glass)
Ruby
Corundum (Al2O3 with Chromium trace impurities)
Azurite-Malachite (often a mixed specimen)
Azurite: Cu3(CO3)2(OH)2; Malachite: Cu2(CO3)(OH)2. The specimen appears to be a natural mixture or intergrowth of these two minerals.
Ruby
Corundum (mineral species), variety: Ruby (Al2O3 with Cr3+ as the chromophore)
Rough Emerald (Beryl)
Emerald (Be3Al2(SiO3)6 with Cr/V impurities)
K2 Stone (or K2 Jasper)
Azurite-in-Granite (Potassium Feldspar, Quartz, Plagioclase, Muscovite, and Azurite)
Smoky Quartz
Silicon Dioxide (SiO2)
Ruby
Corundum (Al2O3 with Chromium trace elements)
Moonstone (bead form)
Potassium Aluminum Silicate (KAlSi3O8) - a variety of Orthoclase Feldspar
Magnetic Hematite
Magnetized Hematite (an iron oxide mineral, Fe2O3, that has undergone magnetization)
Diamond
Diamond (pure carbon; C)
Ruby (set in a gold pendant)
Ruby (Variety of Corundum, Al2O3)
Ring with an Orange Inlay
N/A (Man-made object)
Lapis Lazuli (in Matrix)
Na8[Al6Si6O24]S2 (Lazurite as the primary component)
Sodalite
Sodalite (Na4Al3Si3O12Cl)
Synthetic Resin Charm (Seal Shape)
Polymer Resin with plastic glitter / Polyethylene terephthalate glitters
Note: Item is not a geological specimen
Guitar Components (Steel, Nickel, Plastic, Wood)