Asphalt (Bituminous Concrete)
Composite material (bitumen binder with mineral aggregate)
man-made rock (technosol)
Category
Man Made Rock (Technosol)
Browse man made rock (technosol) specimens identified by the Rock Identifier community.
Learn about Man Made Rock (Technosol) in the encyclopedia
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Aggregate Concrete
Anthropogenic Conglomerate (Technosol)
sedimentary
N/A - Non-Geological Item
not a rock/mineral
Opalite
Synthesized glass / Silicon dioxide glass
gemstone
Not a geological specimen
N/A (man-made object)
N/A
Opalite
Synthetic glass / Opaque silicious glass
gemstone
Obsidian
Volcanic Glass
igneous
Obsidian
Volcanic Glass
igneous
ABS Plastic (Acrylonitrile Butadiene Styrene)
(C8H8)x·(C4H6)y·(C3H3N)z
Synthetic Polymer (Synthetic Material)
Not a rock, mineral, or geological specimen
N/A
Blue opalescent glass-like gemstone (possibly imitation opalite)
Likely man-made opalite glass; composition varies, typically silica-based glass
gemstone
Synthetic Resin Charm (Seal Shape)
Polymer Resin with plastic glitter / Polyethylene terephthalate glitters
Synthetic material (Not a rock or mineral)
Chert (Arrowheads)
Microcrystalline Quartz (SiO2)
sedimentary
Exposed Aggregate Concrete (Pea Gravel)
Concrete with Siliceous Alluvial Gravels
sedimentary (man-made conglomerate)
Asphalt Concrete
Bituminous conglomerate
sedimentary
Slag (Industrial Byproduct)
Artificial silicate/iron byproduct
Mineral description (Anthropogenic material)
Unidentifiable Rock Fragment
Uncertain
Opalite
Synthetic glass / Opalized glass
gemstone
Concrete
Anthropogenic Conglomerate
sedimentary
Opalite
Synthetic glass / Simulated opal
gemstone
Concrete Fragment
Hardened Portland cement and mineral aggregate
sedimentary (anthropogenic)
Concrete Paver (Artificial Cementitious Rock)
Hydrated Portland Cement Aggregate
Sedimentary (Synthetic)
Asphalt Concrete (Bituminous Conglomerate)
Anthropogenic Bituminous Conglomerate
sedimentary
Clear Quartz Sphere (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Metal Chain Belt with Square Plates
Not applicable (man-made)
Man-made Object (Metalwork)
Terrazzo (Man-made Composite)
Cementitious or Resin-bound Lithic Composite
sedimentary (artificial)
Small black stone fragment (possibly obsidian)
Unidentified dark rock; obsidian is volcanic glass (composition typically rhyolitic)
igneous
Opalite
Man-made Glass (SiO2 + additives)
mineraloid (synthetic)
Concrete Rubble with Aggregate
Hardened Portland Cement Paste with Coarse Aggregate
Anthropogenic (Man-made)
Asphalt (Road Aggregate)
Asphalt concrete / Bituminous mixture
anthropogenic sedimentary (technolith)
Opalite (likely man-made glass)
Opalite is a trade name for opalescent glass, not a natural mineral; composition is typically silica glass with additives
mineral
Blue Slag Glass
Man-made Silicon Dioxide (Amorphous)
Anthropogenic (Man-made)
Blue Goldstone
Man-made glass with cobalt and metal flecks
man-made glass
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (SiO2) with metallic oxide impurities
mineraloid
Blue goldstone (man-made glass)
Copper-bearing aventurine glass; synthetic silicate glass
mineral
Concretion (Sandstone)
Carbonate-cemented Sandstone Concretion
sedimentary
Sea Glass
Amorphous Silicon Dioxide (SiO2)
mineral
Cullet Glass / Slag Glass
Amorphous silica glass
man-made glass / industrial byproduct
One Pound Coin (UK)
Nickel-Brass Alloy (Cu-Zn-Ni)
mineral
Asphalt Concrete
Bituminous Concrete (Anthropic Rock)
sedimentary
White pebble, likely quartz or calcite
Indeterminate from image; possible microcrystalline quartz (SiO₂) or calcite (CaCO₃)
mineral
Tumbled Clear Quartz/Rock Crystal
Silicon Dioxide (SiO2)
mineral