Sea Glass (Frosted Glass)
Amorphous Silica (SiO2) with various additives
Category
Browse man made material (anthropogenic 'mineraloid') specimens identified by the Rock Identifier community.
Sea Glass (Frosted Glass)
Amorphous Silica (SiO2) with various additives
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (Industrial byproduct)
Concrete
Anthropogenic Conglomerate
Concrete Fragment
Artificial Conglomerate (Cement and Aggregate)
Asphalt Concrete (Bituminous Conglomerate)
Anthropogenic Bituminous Conglomerate
Concrete rubble
Anthropogenic conglomerate
Cullet (Slag Glass)
Amorphous Silica (SiO2) with various metal oxide colorants
Concrete with Exposed Aggregate
Anthropogenic conglomerate (Concrete)
Aggregate Concrete
Anthropogenic Conglomerate (Technosol)
Green Slag
Anthropogenic Silicate Glass
Concrete / Anthropogenic Conglomerate
Man-made composite material (Portland cement, aggregate, and water)
Lava Rock with Fabric Impression
Scoria or Basalt with anthropogenic impressions
Slag (Industrial Glass/Glassy Rock)
Anthropogenic Vitreous Material
Asphalt Concrete
Bituminous Concrete (Anthropic Rock)
Concrete fragment with Aggregate
Anthropogenic Concrete with Calcarious and Siliceous Aggregate
Slag
Glassy silicate byproduct (anthropogenic material)
Concrete / Conglomerate (Man-made)
Artificial Conglomerate (Cementitious Composite)
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (SiO2) with metallic oxide impurities
Slag
Anthropogenic Vitreous Silica/Iron oxides
Stainless Steel (Polished)
Ferrous Alloy containing Iron (Fe), Chromium (Cr), and Carbon (C)
Chert Arrowhead (Projectile Point)
Microcrystalline Quartz (Chert or Flint)
Smelter Slag
Anthropogenic Silicate Slag
Sea Glass
Man-made vitreous material (silica-based glass)
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (Industrial Man-made)
Concrete Fragment
Hardened Portland cement and mineral aggregate
Ceramic or Polished Stone Heart (Anthropogenic Material)
Glazed Ceramic (Silicon Dioxide based coating on Alumina Silicate body) or Polished Limestone/Marble (Calcium Carbonate, CaCO3)
Painted River Rock
Artificially Coated Sedimentary Rock
Aluminum Slag
Anthropogenic Aluminum (Al)
Green Sea Glass
Man-made vitreous material (silica glass)
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (Industrial Byproduct)
Aluminum Slag
Anthropogenic Aluminum (Al)
Iron Slag (Industrial Byproduct)
Anthropogenic Vitrification Product/Ferrous Slag
Glass
Amorphous Silicon Dioxide (SiO2)
Concrete
Anthropogenic Sedimentary Conglomerate (Cement mixture: typically Ca2SiO4, Ca3SiO5, Ca3Al2O6)
Slag
Anthropogenic glassy silicate
Concrete
Anthropogenic Sedimentary Rock (Hydrated Calcium Silicate)
Concrete Rubble with Aggregate
Hardened Portland Cement Paste with Coarse Aggregate
Sea Glass
Man-made silicate glass
Blue Slag Glass
Anthropogenic Amorphous Silicon Dioxide
Ferro-slag (Leland Blue/Slag Glass)
Anthropogenic Vitreous Silica (Industrial Slag)
Asphalt (Bituminous pavement)
Bituminous concrete / Asphalt
Asphalt (Road Aggregate)
Asphalt concrete / Bituminous mixture