Sea Glass (Frosted Glass)
Amorphous Silica (SiO2) with various additives
Man-made material (Anthropogenic 'mineraloid')
Category
Man Made Material (Anthropogenic 'Mineraloid')
Browse man made material (anthropogenic 'mineraloid') specimens identified by the Rock Identifier community.
Learn about Man Made Material (Anthropogenic 'Mineraloid') in the encyclopedia
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Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (Industrial byproduct)
mineraloid
Concrete
Anthropogenic Conglomerate
sedimentary
Concrete Fragment
Artificial Conglomerate (Cement and Aggregate)
sedimentary
Asphalt Concrete (Bituminous Conglomerate)
Anthropogenic Bituminous Conglomerate
sedimentary
Concrete rubble
Anthropogenic conglomerate
sedimentary
Cullet (Slag Glass)
Amorphous Silica (SiO2) with various metal oxide colorants
mineraloid / anthropogenic
Aggregate Concrete
Anthropogenic Conglomerate (Technosol)
sedimentary
Concrete with Exposed Aggregate
Anthropogenic conglomerate (Concrete)
man-made rock (sedimentary analogue)
Green Slag
Anthropogenic Silicate Glass
Mineraloid (Industrial byproduct)
Slag (Industrial Glass/Glassy Rock)
Anthropogenic Vitreous Material
igneous
Lava Rock with Fabric Impression
Scoria or Basalt with anthropogenic impressions
igneous
Concrete fragment with Aggregate
Anthropogenic Concrete with Calcarious and Siliceous Aggregate
sedimentary (anthropogenic/man-made)
Concrete / Anthropogenic Conglomerate
Man-made composite material (Portland cement, aggregate, and water)
not a natural rock
Slag
Glassy silicate byproduct (anthropogenic material)
industrial byproduct
Sea Glass
Man-made vitreous material (silica-based glass)
mineral
Asphalt Concrete
Bituminous Concrete (Anthropic Rock)
sedimentary
Stainless Steel (Polished)
Ferrous Alloy containing Iron (Fe), Chromium (Cr), and Carbon (C)
Mineral equivalent / Metal Alloy
Slag
Anthropogenic Vitreous Silica/Iron oxides
mineral-like byproduct
Ceramic or Polished Stone Heart (Anthropogenic Material)
Glazed Ceramic (Silicon Dioxide based coating on Alumina Silicate body) or Polished Limestone/Marble (Calcium Carbonate, CaCO3)
Synthetic/Anthropogenic Mineraloid
Concrete / Conglomerate (Man-made)
Artificial Conglomerate (Cementitious Composite)
sedimentary
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (SiO2) with metallic oxide impurities
mineraloid
Aluminum Slag
Anthropogenic Aluminum (Al)
mineral
Green Sea Glass
Man-made vitreous material (silica glass)
gemstone
Smelter Slag
Anthropogenic Silicate Slag
igneous
Chert Arrowhead (Projectile Point)
Microcrystalline Quartz (Chert or Flint)
sedimentary
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (Industrial Man-made)
mineraloid
Aluminum Slag
Anthropogenic Aluminum (Al)
mineral
Painted River Rock
Artificially Coated Sedimentary Rock
sedimentary
Sea Glass
Man-made silicate glass
sedimentary
Concrete Fragment
Hardened Portland cement and mineral aggregate
sedimentary (anthropogenic)
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (Industrial Byproduct)
mineraloid
Slag
Anthropogenic glassy silicate
Mineral-like byproduct
Concrete
Anthropogenic Sedimentary Conglomerate (Cement mixture: typically Ca2SiO4, Ca3SiO5, Ca3Al2O6)
sedimentary (artificial)
Concrete
Anthropogenic Sedimentary Rock (Hydrated Calcium Silicate)
sedimentary (anthropogenic / man-made)
Iron Slag (Industrial Byproduct)
Anthropogenic Vitrification Product/Ferrous Slag
Mineral-like Industrial Smelting Waste
Blue Slag Glass
Anthropogenic Amorphous Silicon Dioxide
mineral
Glass
Amorphous Silicon Dioxide (SiO2)
mineraloid
Opalite
Man-made opalescent glass
gemstone
Ferro-slag (Leland Blue/Slag Glass)
Anthropogenic Vitreous Silica (Industrial Slag)
igneous
Concrete Rubble with Aggregate
Hardened Portland Cement Paste with Coarse Aggregate
Anthropogenic (Man-made)
Sea Glass
Man-made silicate glass weathering product
sedimentary