Sea Glass (Cobalt Blue)
Amorphous Silica (Glass with Cobalt additives)
Anthropogenic specimen (man-made)
Category
Anthropogenic Specimen (Man Made)
Browse anthropogenic specimen (man made) specimens identified by the Rock Identifier community.
Learn about Anthropogenic Specimen (Man Made) in the encyclopedia
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Sea Glass (Kelly Green)
Amorphous Silica (Silicon Dioxide with Iron/Chromium additives)
Anthropogenic specimen (Man-made material)
Asphalt Concrete (Bituminous Conglomerate)
Anthropogenic Bituminous Conglomerate
sedimentary
Concrete
Anthropogenic Conglomerate
sedimentary
Concrete with Exposed Aggregate
Anthropogenic conglomerate (Concrete)
man-made rock (sedimentary analogue)
Slag
Anthropogenic glassy silicate
Mineral-like byproduct
Concrete Fragment
Artificial Conglomerate (Cement and Aggregate)
sedimentary
Lava Rock with Fabric Impression
Scoria or Basalt with anthropogenic impressions
igneous
Concrete rubble
Anthropogenic conglomerate
sedimentary
Stainless Steel (Polished)
Ferrous Alloy containing Iron (Fe), Chromium (Cr), and Carbon (C)
Mineral equivalent / Metal Alloy
Concrete / Anthropogenic Conglomerate
Man-made composite material (Portland cement, aggregate, and water)
not a natural rock
Concrete fragment with Aggregate
Anthropogenic Concrete with Calcarious and Siliceous Aggregate
sedimentary (anthropogenic/man-made)
Aluminum Slag
Anthropogenic Aluminum (Al)
mineral
Titanium Aura Quartz (Bismuth-coated Druzy)
Silicon Dioxide (SiO2) with Titanium/Metal vapor coating
mineral
Aggregate Concrete
Anthropogenic Conglomerate (Technosol)
sedimentary
Aluminum Slag
Anthropogenic Aluminum (Al)
mineral
Painted River Rock
Artificially Coated Sedimentary Rock
sedimentary
Sea Glass
Man-made silicate glass
sedimentary
Man-made Slag (Industrial Byproduct)
Anthropogenic Glassy Residue
not a natural rock
Blue Slag Glass
Anthropogenic Amorphous Silicon Dioxide
mineral
Iron Slag (Industrial Byproduct)
Anthropogenic Vitrification Product/Ferrous Slag
Mineral-like Industrial Smelting Waste
Green Slag
Anthropogenic Silicate Glass
Mineraloid (Industrial byproduct)
Concrete
Anthropogenic Sedimentary Rock (Hydrated Calcium Silicate)
sedimentary (anthropogenic / man-made)
Sea Glass
Man-made vitreous material (silica-based glass)
mineral
Slag
Glassy silicate byproduct (anthropogenic material)
industrial byproduct
N/A - Non-Geological Item
not a rock/mineral
Slag (Industrial Glass/Glassy Rock)
Anthropogenic Vitreous Material
igneous
Smelter Slag
Anthropogenic Silicate Slag
igneous
Slag
Anthropogenic Vitreous Silica/Iron oxides
mineral-like byproduct
Asphalt Concrete
Bituminous Concrete (Anthropic Rock)
sedimentary
Chert Arrowhead (Projectile Point)
Microcrystalline Quartz (Chert or Flint)
sedimentary
Sea Glass
Man-made silicate glass weathering product
sedimentary
Concrete / Conglomerate (Man-made)
Artificial Conglomerate (Cementitious Composite)
sedimentary
Slag Glass
Anthropogenic Amorphous Silicon Dioxide
mineral
Concrete Rubble with Aggregate
Hardened Portland Cement Paste with Coarse Aggregate
Anthropogenic (Man-made)
Slag Glass (Leland Blue variant)
Anthropogenic Vitreous Silicate
mineral
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (Industrial byproduct)
mineraloid
Blue Glass or Slag Glass
Amorphous Silica (Anthropogenic Glass)
mineral
Green Sea Glass
Man-made vitreous material (silica glass)
gemstone
Asphalt (Road Aggregate)
Asphalt concrete / Bituminous mixture
anthropogenic sedimentary (technolith)
Slag (Industrial Byproduct)
Artificial silicate/iron byproduct
Mineral description (Anthropogenic material)
Ferruginous Conglomerate (or Iron-Rich Concrete/Slag)
Clastic Sedimentary (Silicon Dioxide/Iron Oxide matrix)
sedimentary