Asphalt Chunk (with aggregate)
Bituminous concrete / Anthropogenic conglomerate
sedimentary (anthropogenic/man-made conglomerate)
Category
Anthropogenic Material (Man Made Rock)
Browse anthropogenic material (man made rock) specimens identified by the Rock Identifier community.
Concrete
Hydrated Portland Cement Aggregate Composite
Anthropogenic Sedimentary (Man-made)
Transit Token (RTD Denver)
Nickel-plated brass or bronze alloy (Cu-Sn-Zn-Ni)
not a rock or mineral (anthropogenic material)
Slag Glass
Anthropogenic Amorphous Silicon Dioxide
mineral
Asphalt Concrete
Bituminous Concrete / Asphaltic Composite
not a natural rock (man-made composite)
Man-made Slag (Industrial Byproduct)
Anthropogenic Glassy Residue
not a natural rock
Concrete Paver (Artificial Cementitious Rock)
Hydrated Portland Cement Aggregate
Sedimentary (Synthetic)
Artisanal Glass Beads (Simulated Goldstone or Aventurine Glass)
Silicon Dioxide (SiO2) with metallic inclusions
man-made material
Terrazzo (Man-made Composite)
Cementitious or Resin-bound Lithic Composite
sedimentary (artificial)
Blue Glass or Slag Glass
Amorphous Silica (Anthropogenic Glass)
mineral
Fired Clay Brick (Anthropic Rock substitute)
Anthropogenic polycrystalline ceramic (predominantly Mullite and Quartz: Al6Si2O13 + SiO2)
metamorphic (man-made / anthropic)
Metal Chain (Likely Steel or a Steel Alloy)
Steel (primarily iron and carbon); specific alloy unknown
Man-made Object (Metal/Alloy)
Unidentifiable Rock Fragment
Uncertain
Ceramic or Polished Stone Heart (Anthropogenic Material)
Glazed Ceramic (Silicon Dioxide based coating on Alumina Silicate body) or Polished Limestone/Marble (Calcium Carbonate, CaCO3)
Synthetic/Anthropogenic Mineraloid
ABS Plastic (Acrylonitrile Butadiene Styrene)
(C8H8)x·(C4H6)y·(C3H3N)z
Synthetic Polymer (Synthetic Material)
Chert (specifically Flint Arrowhead)
Silicon dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Conglomerate
Conglomerate (clastic sedimentary rock)
sedimentary
Man-made Carved Stone (Scream Mask/Skull motif)
Carved Soapstone or Serpentine-rich rock
Anthropogenic (Man-made artifact)
Synthetic Resin Charm (Seal Shape)
Polymer Resin with plastic glitter / Polyethylene terephthalate glitters
Synthetic material (Not a rock or mineral)
Ferro-silicate Slag
Industrial Vitrified Slag (High-silica amorphous glass)
Mineral byproduct (Anthropogenic)
Opalite
Man-made Glass (SiO2 + additives)
mineraloid (synthetic)
Metal Chain Belt with Square Plates
Not applicable (man-made)
Man-made Object (Metalwork)
Sandstone (likely Fossilized Wood or Concrete Simulacrum)
Arenite / Silicified Wood / Anthropogenic Concrete
sedimentary
Ferrochrome Slag
Anthropogenic slag (Fe-Cr alloy waste)
industrial byproduct
Asphalt (Bituminous Pavement)
Bituminous mix (Aggregates with Bitumen binder)
sedimentary
Fordite
Anthropogenic paint-rock
mineraloid (human-made geological specimen)
Conglomerate
Conglomerate (Sedimentary rock containing rounded clasts)
sedimentary
Concrete with Aggregate
Composite construction material; primary matrix is Calcium Silicate Hydrate (C-S-H)
anthropogenic (human-made) sedimentary-like material
Carborundum (Silicon Carbide)
Silicon Carbide (SiC)
mineral
Polymer Clay (Mock Mineral)
Polyvinyl chloride (PVC) with plasticizers and pigment
Synthetic material (Not a natural rock/mineral)
Asphalt (Road Aggregate)
Bituminous conglomerate
sedimentary
Asphalt / Road Aggregate
Bituminous Conglomerate (synthetic)
sedimentary
Concrete with Aggregate
Artificial Conglomerate (Cement and Aggregate)
sedimentary
Goldstone
Aventurine Glass (Man-made)
mineral
Not a rock, mineral, or geological specimen
N/A
Blue Goldstone
Auraventurine (Synthetic glass with cobalt and copper inclusions)
Synthetic (Man-made Glass)
Slag Glass
Vitreous Silicate Residue
industrial byproduct (anthropogenic rock)
Note: This is a Man-Made Object (Costume/Prop Patch)
Synthetic fiber and pigments (Cellulose/Plastic-based composite)
Non-geological
Synthetic Faux Fur Fursuit
Polyacrylonitrile / Polyester (Synthetic Textile)
not a rock (synthetic material/costume)
Ring with an Orange Inlay
N/A (Man-made object)
Man-made Object (Ring)
Beads (likely glass or man-made material)
N/A (artificial material)
Man-made material, not a natural rock or mineral specimen
Opalite
Opalescent Glass (SiO2 + coloring agents)
Mineral (Synthetic/Man-made)