Metal Chain Belt with Square Plates
Not applicable (man-made)
Man-made Object (Metalwork)
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
Opalite
Synthetic Glass (typically Silica/Magnesium based with metal additives)
mineral
Blue Slag Glass
Man-made Silicon Dioxide (Amorphous)
Anthropogenic (Man-made)
Green Sea Glass
Man-made silicate glass (weathered)
sedimentary
Terrazzo (Man-made Composite)
Cementitious or Resin-bound Lithic Composite
sedimentary (artificial)
Opalite
Opalescent Glass (SiO2 + coloring agents)
Mineral (Synthetic/Man-made)
Diamond (or Simulant)
Carbon (C) or relevant simulant formula (e.g., ZrO2 for Cubic Zirconia)
gemstone
Opalite
Synthetic Opalised Glass
mineral
Green Sea Glass
Man-made vitreous material (silica glass)
gemstone
Blue Slag Glass
Anthropogenic Amorphous Silicon Dioxide
mineral
Opalite
Synthetic Opalized Glass
gemstone
ABS Plastic (Acrylonitrile Butadiene Styrene)
(C8H8)x·(C4H6)y·(C3H3N)z
Synthetic Polymer (Synthetic Material)
Not a geological specimen
N/A (man-made object)
N/A
Beads (likely glass or man-made material)
N/A (artificial material)
Man-made material, not a natural rock or mineral specimen
Opalite (Synthetic Opalized Glass)
Synthetic Silicon Dioxide (SiO2) glass
mineral
Diamond
Native Carbon (C)
gemstone
Costume Jewelry with Synthetic Gemstones
Synthetic Cubic Zirconia and Glass (SiO2 / ZrO2)
mineral
Opalite
Synthetic Glass (SiO2 + impurities)
mineral
Opalite
Synthetic Glass (Simulated Opal)
mineral
Sea Glass
Man-made silicate glass (Amorphous silicon dioxide)
sedimentary
Opalite
Synthetic Glass (Amorphized Silicon Dioxide)
mineraloid
Sea Glass
Man-made vitreous material (silica-based glass)
mineral
Not a rock, mineral, or geological specimen
N/A
Opalite
Synthetic Glass / Man-made Opal Simulant
gemstone
Glass
Amorphous Silicon Dioxide (SiO2)
mineraloid
Sea Glass
Man-made silicate glass weathering product
sedimentary
Opalite
Synthetic Silicon Dioxide (SiO2)
mineral
Opalite glass sphere (likely synthetic imitation)
Man-made opalescent glass; not natural opal
mineral
Small rounded mineral pebble, possibly quartz
Uncertain; likely microcrystalline or crystalline SiO₂ (quartz), potentially with iron-oxide staining
mineral
Aura Quartz (Titanium/Rainbow Quartz)
SiO2 (Silicon Dioxide) with metallic coating
mineral
Concrete Fragment
Artificial Conglomerate (Cement and Aggregate)
sedimentary
Diamond (or Simulant)
Carbon (C)
gemstone
Opalite
Synthetic opalescent glass
glass
Ring with an Orange Inlay
N/A (Man-made object)
Man-made Object (Ring)
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (Industrial byproduct)
mineraloid
Pink Quartz / Sea Glass
Silicon Dioxide (SiO2)
mineral
Slag
Anthropogenic glassy silicate
Mineral-like byproduct
Silicon Carbide (Carborundum)
Silicon Carbide (SiC) / Moissanite (natural)
mineral
Opalite
Synthetic Opalite Glass
mineraloid (man-made)
Opalite
Synthetic Opalised Glass
mineral
Goldstone (Red)
Aventurine Glass (Cupriferous glass)
Synthetic Glass (Man-made)