Goldstone (Red/Brown)
Aventurine Glass (SiO2 with Copper inclusions)
Mineral (Man-made glass)
Category
Mineral (Man Made Glass)
Browse mineral (man made glass) specimens identified by the Rock Identifier community.
Blue Goldstone
Goldstone (artificial glass)
Mineral (man-made glass, not natural)
N/A - Non-Geological Item
not a rock/mineral
Synthetic Resin Charm (Seal Shape)
Polymer Resin with plastic glitter / Polyethylene terephthalate glitters
Synthetic material (Not a rock or mineral)
Goldstone
Aventurine Glass (Man-made)
mineral
Quartz pebble (Quartztite fragment)
Silicon Dioxide (SiO2)
mineral
One Pound Coin (UK)
Nickel-Brass Alloy (Cu-Zn-Ni)
mineral
Opalite
Synthetic Opalised Glass
mineral
Cullet (Slag Glass)
Amorphous Silica (SiO2) with various metal oxide colorants
mineraloid / anthropogenic
Opalite (Synthetic Moonstone/Opal)
Synthetic Silica Glass
mineraloid (synthetic)
Opalite (a synthetic glass)
Silicon Dioxide (SiO2) with various additives; not a true mineral but a man-made gem simulant
Mineral Simulant (Synthetic Glass)
Opalite
Synthetic Glass (Simulated Opal)
mineral
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (Industrial Byproduct)
mineraloid
Not a geological specimen
N/A (man-made object)
N/A
Aventurine Quartz
Silicon Dioxide (SiO2) with Fuchsite inclusions
metamorphic
Not a rock, mineral, or geological specimen
N/A
Opalite
Synthetic Glass (SiO2 + impurities)
mineral
Opaline Glass (Opalite)
Synthetic Silicon Dioxide Glass
Mineraloid (Man-made)
Opalite
Opalescent Glass (SiO2 + coloring agents)
Mineral (Synthetic/Man-made)
Glass
Amorphous Silicon Dioxide (SiO2)
mineraloid
Beads (likely glass or man-made material)
N/A (artificial material)
Man-made material, not a natural rock or mineral specimen
Opalite (Man-made Glass)
Synthetic Opalised Glass
mineral
Goldstone (Red)
Aventurine Glass (Cupriferous glass)
Synthetic Glass (Man-made)
Libyan Desert Glass
Tektite (high-silica impact glass), SiO2
mineral
Slag Glass
Vitreous Silicate Residue
industrial byproduct (anthropogenic rock)
Terrazzo (Man-made Composite)
Cementitious or Resin-bound Lithic Composite
sedimentary (artificial)
Opalite
Synthetically produced glass (Silicon Dioxide with metallic inclusions)
Mineraloid (Man-made Glass)
Silicon Carbide (Carborundum)
Silicon Carbide (SiC) / Moissanite (natural)
mineral
Opalite (Synthetic Moonstone/Sea Opal)
Silicon Dioxide (SiO2) glass with metallic inclusions
Synthetic/Man-made Glass
Moldavite
Tektite (Impact Glass), ~80% SiO2 + Al2O3
tektite
Opalite
Synthetic Glass (Hydrated Crystalline Silicon Dioxide simulation)
mineral
Pyrite in Quartz (Drill Core)
Silicon Dioxide (SiO2) with Iron Sulfide (FeS2) inclusions
igneous/metamorphic (hydrothermal)
Metal Chain Belt with Square Plates
Not applicable (man-made)
Man-made Object (Metalwork)
Red Slag Glass
Amorphous Silica (Industrial byproduct with metallic oxide dopants)
Mineraloid / Industrial Byproduct
Blue Goldstone
Auraventurine (Synthetic glass with cobalt and copper inclusions)
Synthetic (Man-made Glass)
Slag Glass
Anthropogenic Amorphous Silicon Dioxide
mineral
Libyan Desert Glass
Libyan Desert Glass (SiO2 with trace elements)
mineral (impactite)
Slag
Anthropogenic glassy silicate
Mineral-like byproduct
ABS Plastic (Acrylonitrile Butadiene Styrene)
(C8H8)x·(C4H6)y·(C3H3N)z
Synthetic Polymer (Synthetic Material)
Asphalt Concrete
Bituminous conglomerate
sedimentary
Green glass sphere/marble
Soda-lime glass (primarily SiO2, Na2O, CaO)
Man-made object (Simulant)
Opalite
Man-made glass (traditionally simulated Opal)
mineral