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
Asphalt Concrete (Bituminous Conglomerate)
Anthropogenic Bituminous Conglomerate
Cullet (Slag Glass)
Amorphous Silica (SiO2) with various metal oxide colorants
Concrete with Exposed Aggregate
Anthropogenic conglomerate (Concrete)
Concrete / Anthropogenic Conglomerate
Man-made composite material (Portland cement, aggregate, and water)
Lava Rock with Fabric Impression
Scoria or Basalt with anthropogenic impressions
Green Slag
Anthropogenic Silicate Glass
Concrete / Conglomerate (Man-made)
Artificial Conglomerate (Cementitious Composite)
Slag
Glassy silicate byproduct (anthropogenic material)
Stainless Steel (Polished)
Ferrous Alloy containing Iron (Fe), Chromium (Cr), and Carbon (C)
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (Industrial 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)
Aluminum Slag
Anthropogenic Aluminum (Al)
Concrete Rubble with Aggregate
Hardened Portland Cement Paste with Coarse Aggregate
Glass
Amorphous Silicon Dioxide (SiO2)
Concrete
Anthropogenic Sedimentary Conglomerate (Cement mixture: typically Ca2SiO4, Ca3SiO5, Ca3Al2O6)
Iron Slag (Industrial Byproduct)
Anthropogenic Vitrification Product/Ferrous Slag
Concrete
Anthropogenic Sedimentary Rock (Hydrated Calcium Silicate)
Aluminum Slag
Anthropogenic Aluminum (Al)
Asphalt (Road Aggregate)
Asphalt concrete / Bituminous mixture
Asphalt (Bituminous pavement)
Bituminous concrete / Asphalt
Slag (Industrial Byproduct)
Artificial silicate/iron byproduct
Ferro-slag (Leland Blue/Slag Glass)
Anthropogenic Vitreous Silica (Industrial Slag)
Slag
Anthropogenic glassy silicate
Ferruginous Conglomerate (or Iron-Rich Concrete/Slag)
Clastic Sedimentary (Silicon Dioxide/Iron Oxide matrix)
Asphalt Concrete (Bituminous Pavement)
Aggregates in Bitumen Matrix
Opalite
Man-made Glass (SiO2 + additives)
Titanium Aura Quartz (Bismuth-coated Druzy)
Silicon Dioxide (SiO2) with Titanium/Metal vapor coating
Cullet (Slag Glass)
Amorphous Silica (Industrial byproduct)
Opaline Glass (Opalite)
Synthetic Silicon Dioxide Glass
Note on Image Identification: Textile
N/A (Anthropogenic material)
Concrete
Hydrated Portland Cement Aggregate Composite
Sandstone-based Concrete Fragment
Cementitious Composite with Sedimentary Aggregate
Asphalt (Bituminous Concrete)
Bituminous mix containing aggregates and petroleum-based binder (CnH2n+2)
Opalite
Synthetic Glass (Amorphized Silicon Dioxide)
Slag Glass
Anthropogenic Amorphous Silicon Dioxide
Slag
Metallurgical by-product
Artisanal Glass Beads (Simulated Goldstone or Aventurine Glass)
Silicon Dioxide (SiO2) with metallic inclusions
Transit Token (RTD Denver)
Nickel-plated brass or bronze alloy (Cu-Sn-Zn-Ni)
Concrete Fragment
Hardened Portland Cement Composite
Asphalt (Road Aggregate)
Bituminous Conglomerate / Asphalt Concrete
Slag
Ferrous Slag (Amorphous calcium-magnesium-aluminum silicates)