Opalite
Synthetic Glass (Simulated Opal)
gemstone
Category
Man Made Object (Metal Alloy)
Browse man made object (metal alloy) specimens identified by the Rock Identifier community.
Learn about Man Made Object (Metal Alloy) in the encyclopedia
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Aura Quartz
Titanium or Gold bonded Silicon Dioxide (SiO2)
mineral
Concrete
Anthropogenic Sedimentary Conglomerate (Cement mixture: typically Ca2SiO4, Ca3SiO5, Ca3Al2O6)
sedimentary (artificial)
Titanium Aura Quartz
Titanium-coated Silicon Dioxide (SiO2)
gemstone
Brick fragment (Man-made material)
N/A (Fired clay)
man-made
Opalite
Synthetic Glass (SiO2 + impurities)
mineral
Aura Quartz (specifically Titanium Aura Quartz)
Titanium-coated Silicon Dioxide (SiO2 + Ti Coating)
mineral
Opalite
Synthetic Opalized Glass
gemstone
Aura Quartz Geodes (Lab-Altered)
Silicon Dioxide (SiO2) with Metallic Vapor Deposition
mineral
Milky quartz (likely quartz crystal fragment)
Quartz, silicon dioxide (SiO₂)
mineral
Pearl-and-gemstone insect brooch
Pearl: nacre (aragonite, CaCO₃); colored stones are likely synthetic or natural corundum/spinel/glass, not determinable from the image
gemstone
Slag
Anthropogenic glassy silicate
Mineral-like byproduct
Diamond-set gold ring
Diamond (crystalline carbon, C); mounted in a gold alloy setting
gemstone
Opalite
Synthetic Glass (Hydrated Silica Simulant)
mineral
Sea Glass
Man-made silicate glass
sedimentary
Opalite
Synthetic Opalised Glass
glass
Aura Quartz (Titanium/Gold coated)
Silicon Dioxide (SiO2) with metallic vapor deposition
mineral
Opalite
Synthetic Opalite (Man-made glass)
mineral
Clear quartz crystal (likely)
Quartz, silicon dioxide (SiO₂)
mineral
Red gemstone ring, likely garnet or synthetic ruby
Possibly almandine garnet (Fe₃Al₂(SiO₄)₃) or corundum/ruby (Al₂O₃); image alone cannot distinguish
gemstone
Sea Glass
Man-made silicate glass
mineral
Cullet (Slag Glass)
Amorphous Silica (SiO2) with various metal oxide colorants
mineraloid / anthropogenic
Opalite
Synthetic Glass (typically Silica/Magnesium based with metal additives)
mineral
Sea Glass
Man-made silicate glass
mineral
Opalite
Synthetic Fluorescent Glass (SiO2 + impurities)
mineraloid (synthetic)
Opalite
Synthetically produced glass (Silicon Dioxide with metallic inclusions)
Mineraloid (Man-made Glass)
Diamond-set gold ring
Diamond (crystalline carbon, C) in a gold alloy setting
gemstone
Likely iron meteorite fragment
Iron–nickel meteorite, primarily kamacite and taenite (Fe–Ni alloy)
meteorite
Sea Glass
Man-made vitreous material
mineral
Man-made Crystal (Lead Glass)
Lead oxide-doped Silica Glass (approx. SiO2 + PbO)
Mineraloid/Synthetic Material
Slag
Metallurgical by-product
Anthropogenic (Man-made material)
Sea Glass
Man-made vitreous material
gemstone
Opalite (Synthetic Opalized Glass)
Synthetic Silicon Dioxide (SiO2) glass
mineral
Vesicular basalt (probable iron-rich volcanic rock)
Basalt; chiefly plagioclase, clinopyroxene, olivine, and Fe-Ti oxides
igneous
Possible metallic meteorite or iron-nickel bead
Unconfirmed; possible Fe–Ni alloy (kamacite/taenite)
meteorite
Opalite
Man-made opalescent glass (SiO2 + metal oxides)
mineral (synthetic)
Carved Stone Turtle
Carved Soapstone and Quartz
mineral
Blue Goldstone
Aventurine Glass
man-made glass
Diamond Plate (Steel)
Alloyed Carbon Steel or Aluminum with 'Durbar' pattern
not a rock (Man-made industrial metal)
Diamond-set gold ring or ring component
Diamond (crystalline carbon, C); gold alloy setting (Au)
gemstone
Aura Rose Quartz
SiO2 (Silicon Dioxide with Titanium/Gold coating)
mineral
Opalite
Man-made Synthetic Glass (Silicon Dioxide with metal additives)
mineral