Opalite
Synthetic Glass (typically Silica/Magnesium based with metal additives)
mineral
Category
Man Made Glass
Browse man made glass specimens identified by the Rock Identifier community.
Learn about Man Made Glass in the encyclopedia
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Opalite
Synthetic Glass (Simulated Opal)
gemstone
Slag Glass
Amorphous Silicate (Man-made)
industrial byproduct
Terrazzo (Man-made Composite)
Cementitious or Resin-bound Lithic Composite
sedimentary (artificial)
Opalite
Synthetic Opalised Glass
mineral
Opalite
Opalescent Glass (SiO2 + coloring agents)
Mineral (Synthetic/Man-made)
Blue Slag Glass
Anthropogenic Amorphous Silicon Dioxide
mineral
Opalite (Synthetic Opalized Glass)
Synthetic Silicon Dioxide (SiO2) glass
mineral
Opalite
Synthetic Opalized Glass
gemstone
Cullet Glass (Slag)
Amorphous Silicon Dioxide (Man-made)
Mineraloid
Opalite
Synthetic Glass (Simulated Opal)
mineral
ABS Plastic (Acrylonitrile Butadiene Styrene)
(C8H8)x·(C4H6)y·(C3H3N)z
Synthetic Polymer (Synthetic Material)
Diamond
Native Carbon (C)
gemstone
Costume Jewelry with Synthetic Gemstones
Synthetic Cubic Zirconia and Glass (SiO2 / ZrO2)
mineral
Opalite
Synthetic Glass (SiO2 + impurities)
mineral
Metal Chain Belt with Square Plates
Not applicable (man-made)
Man-made Object (Metalwork)
Not a geological specimen
N/A (man-made object)
N/A
Blue Slag Glass
Man-made Silicon Dioxide (Amorphous)
Anthropogenic (Man-made)
Opalite
Synthetic Glass (Amorphized Silicon Dioxide)
mineraloid
Beads (likely glass or man-made material)
N/A (artificial material)
Man-made material, not a natural rock or mineral specimen
Not a rock, mineral, or geological specimen
N/A
Opalite
Synthetic Silicon Dioxide (SiO2)
mineral
Glass
Amorphous Silicon Dioxide (SiO2)
mineraloid
Aura Quartz (Titanium/Rainbow Quartz)
SiO2 (Silicon Dioxide) with metallic coating
mineral
Slag
Anthropogenic glassy silicate
Mineral-like byproduct
Concrete Fragment
Artificial Conglomerate (Cement and Aggregate)
sedimentary
Silicon Carbide (Carborundum)
Silicon Carbide (SiC) / Moissanite (natural)
mineral
Opalite
Synthetic Opalised Glass
mineral
Opalite
Synthetic opalescent glass
glass
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (Industrial byproduct)
mineraloid
Diamond (or Simulant)
Carbon (C)
gemstone
Opalite
Synthetic Opalite Glass
mineraloid (man-made)
Goldstone (Red)
Aventurine Glass (Cupriferous glass)
Synthetic Glass (Man-made)
Green Slag
Anthropogenic Silicate Glass
Mineraloid (Industrial byproduct)
Slag Glass
Vitreous Silicate Residue
industrial byproduct (anthropogenic rock)
Opalite
Synthetic Fluorescent Glass (SiO2 + impurities)
mineraloid (synthetic)
Stainless Steel (Polished)
Ferrous Alloy containing Iron (Fe), Chromium (Cr), and Carbon (C)
Mineral equivalent / Metal Alloy
Obsidian (Blue)
Volcanic Glass (SiO2)
igneous
Red Slag Glass
Amorphous Silica (Industrial byproduct with metallic oxide dopants)
Mineraloid / Industrial Byproduct
Opalite
Man-made opalescent glass (SiO2 + metal oxides)
mineral (synthetic)
Exposed Aggregate Concrete (Pea Gravel)
Concrete with Siliceous Alluvial Gravels
sedimentary (man-made conglomerate)
Chert (Arrowheads)
Microcrystalline Quartz (SiO2)
sedimentary