Sea Glass (White/Clear)
Amorphous Silica (Alkali-Lime-Silica Glass), SiO2 + Na2O + CaO
Anthropogenic (Man-made product subject to geological processes)
Category
Anthropogenic (Man Made Product Subject To Geological Processes)
Browse anthropogenic (man made product subject to geological processes) specimens identified by the Rock Identifier community.
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Slag Glass
Anthropogenic Amorphous Silicon Dioxide
mineral
N/A - Non-Geological Item
not a rock/mineral
Smelter Slag
Anthropogenic Silicate Slag
igneous
Blue Slag Glass
Anthropogenic Amorphous Silicon Dioxide
mineral
Aluminum Slag
Anthropogenic Aluminum (Al)
mineral
Sea Glass
Man-made silicate glass weathering product
sedimentary
Asphalt Concrete (Bituminous Conglomerate)
Anthropogenic Bituminous Conglomerate
sedimentary
Concrete
Anthropogenic Conglomerate
sedimentary
Iron Slag (Industrial Byproduct)
Anthropogenic Vitrification Product/Ferrous Slag
Mineral-like Industrial Smelting Waste
Ferro-slag (Leland Blue/Slag Glass)
Anthropogenic Vitreous Silica (Industrial Slag)
igneous
Green Slag
Anthropogenic Silicate Glass
Mineraloid (Industrial byproduct)
Concrete rubble
Anthropogenic conglomerate
sedimentary
Concrete / Anthropogenic Conglomerate
Man-made composite material (Portland cement, aggregate, and water)
not a natural rock
Stainless Steel (Polished)
Ferrous Alloy containing Iron (Fe), Chromium (Cr), and Carbon (C)
Mineral equivalent / Metal Alloy
Concrete with Exposed Aggregate
Anthropogenic conglomerate (Concrete)
man-made rock (sedimentary analogue)
Aggregate Concrete
Anthropogenic Conglomerate (Technosol)
sedimentary
Asphalt Chunk (with aggregate)
Bituminous concrete / Anthropogenic conglomerate
sedimentary (anthropogenic/man-made conglomerate)
Slag (Industrial Glass/Glassy Rock)
Anthropogenic Vitreous Material
igneous
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (Industrial byproduct)
mineraloid
Slag
Metallurgical by-product
Anthropogenic (Man-made material)
Concrete Fragment
Artificial Conglomerate (Cement and Aggregate)
sedimentary
Chert Arrowhead (Projectile Point)
Microcrystalline Quartz (Chert or Flint)
sedimentary
Note on Image Identification: Textile
N/A (Anthropogenic material)
not a rock
Zinc Alloy (Silver-plated)
Zinc Alloy Casting (Zn-Al-Mg-Cu)
mineral (refined metal)
Slag
Glassy silicate byproduct (anthropogenic material)
industrial byproduct
Blue Slag Glass
Man-made Silicon Dioxide (Amorphous)
Anthropogenic (Man-made)
Concrete fragment with Aggregate
Anthropogenic Concrete with Calcarious and Siliceous Aggregate
sedimentary (anthropogenic/man-made)
Asphalt (Road Aggregate)
Bituminous Conglomerate / Asphalt Concrete
Anthropogenic (Man-made)
Asphalt (Bituminous Concrete)
Bituminous mix containing aggregates and petroleum-based binder (CnH2n+2)
not a rock (anthropogenic material/technofossil)
Aluminum Slag
Anthropogenic Aluminum (Al)
mineral
Slag Glass
Vitreous Silicate Residue
industrial byproduct (anthropogenic rock)
Cullet (Slag Glass)
Amorphous Silica (SiO2) with various metal oxide colorants
mineraloid / anthropogenic
Lava Rock with Fabric Impression
Scoria or Basalt with anthropogenic impressions
igneous
Hematite Beads
Hematite (Fe2O3)
Mineral
Painted River Rock
Artificially Coated Sedimentary Rock
sedimentary
Titanium Aura Quartz (Bismuth-coated Druzy)
Silicon Dioxide (SiO2) with Titanium/Metal vapor coating
mineral
Not a geological specimen
N/A (man-made object)
N/A
Iron-rich slag or ironstone; appearance is not diagnostic
Likely iron-oxide-rich material (hematite, Fe₂O₃, and/or magnetite, Fe₃O₄); possibly smelting slag
mineral
Opalite
Synthetic Glass (Amorphized Silicon Dioxide)
mineraloid
Metal Chain Belt with Square Plates
Not applicable (man-made)
Man-made Object (Metalwork)
Asphalt Concrete
Bituminous Concrete (Anthropic Rock)
sedimentary