Slag (Industrial Glass)
Anthropogenic Amorphous Vitreous Silicate
mineraloid
Category
Man Made Silicate (Anthropogenic Glass)
Browse man made silicate (anthropogenic glass) specimens identified by the Rock Identifier community.
Learn about Man Made Silicate (Anthropogenic Glass) in the encyclopedia
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Ferrous Slag
Iron/Steel Slag (Complex Calcium-Alumino-Silicates)
Anthropgenic (Industrial Byproduct)
Iron Slag
Iron/Steel Slag (Ferrosilicate Glass)
industrial byproduct (anthropogenic material)
Opalite
Synthetic Opalite Glass / Opalized Glass
gemstone
Rose Quartz and Cherry Quartz (Dyed Glass/Quartz)
Silicon Dioxide (SiO2) with inclusions/dye
gemstone
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (SiO2) with metallic oxide impurities
mineraloid
Asphalt Concrete (Bituminous Pavement)
Aggregates in Bitumen Matrix
Technogenic / Anthropogenic Pavement Material
Sea Glass
Silicon dioxide (mostly)
mineral
![Mystic Topaz (Treated Quartz or Topaz) (Aluminum silicate fluoride hydroxide [Al2SiO4(F,OH)2] with thin-film metallic coating) — gemstone](https://media.rock.id/mystic-topaz-treated-quartz-or-topaz-b5749325-4a81-403d-a0ed-452e3335d125-thumbnail.jpg)
Mystic Topaz (Treated Quartz or Topaz)
Aluminum silicate fluoride hydroxide [Al2SiO4(F,OH)2] with thin-film metallic coating
gemstone
Asphalt (Road Aggregate)
Bituminous Conglomerate / Asphalt Concrete
Anthropogenic (Man-made)
Sandstone-based Concrete Fragment
Cementitious Composite with Sedimentary Aggregate
sedimentary (man-made/anthropogenic)
Opalite
Man-made opalized glass
mineral
Sea Glass (White/Clear)
Amorphous Silica (Alkali-Lime-Silica Glass), SiO2 + Na2O + CaO
Anthropogenic (Man-made product subject to geological processes)
Goldstone
Aventurine Glass (Man-made)
mineral
Slag (Industrial By-product)
Anthropogenic Vitreous Silica/Iron Silicate
mineral
Concrete
Hydrated Portland Cement Aggregate Composite
Anthropogenic Sedimentary (Man-made)
Opalite (Synthetic Moonstone/Opal)
Synthetic Silica Glass
mineraloid (synthetic)
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (Industrial Byproduct)
mineraloid
Slag (Industrial Byproduct)
Ferro-silicate glass (Slag)
Anthropogenic (Man-made industrial deposit)
Asphalt (Bituminous Concrete)
Bituminous mix containing aggregates and petroleum-based binder (CnH2n+2)
not a rock (anthropogenic material/technofossil)
Quartz pebble (Quartztite fragment)
Silicon Dioxide (SiO2)
mineral
Iron Slag
Anthropogenic Iron oxide/Silicate composite
Mineral-like byproduct (Technogenic)
Opalite
Man-made opalescent glass
gemstone
Terracotta (Man-made ceramic brick fragment)
Baked clay / High-iron ceramic (Silicate-based ceramic)
Anthropogenic material (Man-made sedimentary mimic)
Opalite
Synthetic Glass (Simulated Opal)
gemstone
Dragon's Breath (Mexican Opal Glass)
Artisan Foil Glass (SiO2 based)
mineraloid
Slag
Metallurgical by-product
Anthropogenic (Man-made material)
Opalite
Synthetic Glass (Silica-based)
gemstone
Opaline Glass (Opalite)
Synthetic Silicon Dioxide Glass
Mineraloid (Man-made)
Opalite Egg
Synthetic Glass (Simulated Opal)
mineral
Sea Glass
Man-made vitreous material
mineral
One Pound Coin (UK)
Nickel-Brass Alloy (Cu-Zn-Ni)
mineral
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (Industrial Man-made)
mineraloid
Slag (Industrial Glassy Byproduct)
Anthropogenic silicate byproduct (Slag)
Mineral-like byproduct (often mistaken for igneous rock or meteorite)
Iron Slag
Anthropogenic Vitreous Ferrous Silicate
industrial byproduct (anthropogenic)
Opalite
Man-made Glass (Synthetic Opalized Glass)
mineral
Opalite
Synthetic Glass (Simulated Opal)
gemstone
Opalite
Synthetic Glass (typically Silica/Magnesium based with metal additives)
mineral
Tumbled Clear Quartz/Rock Crystal
Silicon Dioxide (SiO2)
mineral
Green Sea Glass
Amorphous Silica (man-made glass), SiO2 + additive metal oxides
mineraloid / anthropogenic (man-made origin)
Note on Image Identification: Textile
N/A (Anthropogenic material)
not a rock
Terrazzo (Man-made Composite)
Cementitious or Resin-bound Lithic Composite
sedimentary (artificial)