Note: This is a Man-Made Object (Costume/Prop Patch)
Synthetic fiber and pigments (Cellulose/Plastic-based composite)
Category
Browse man made rock (technosol) specimens identified by the Rock Identifier community.
Note: This is a Man-Made Object (Costume/Prop Patch)
Synthetic fiber and pigments (Cellulose/Plastic-based composite)
Vesicular basalt (probable iron-rich volcanic rock)
Basalt; chiefly plagioclase, clinopyroxene, olivine, and Fe-Ti oxides
Asphalt (Bituminous Concrete)
Bituminous mix containing aggregates and petroleum-based binder (CnH2n+2)
Crushed Stone (Likely Limestone or Granite)
Calcium Carbonate (CaCO3) for Limestone / Quartz and Feldspar for Granite
Man-made Jewelry (Metal and Glass/Plastic)
Synthetic Alloy and Amorphous Solid (SiO2/Polymer)
Baked-clay ceramic fragment (likely brick or pottery)
Fired clay, primarily aluminosilicate minerals; not a natural rock
Slag
Ferrous Slag (Amorphous calcium-magnesium-aluminum silicates)
Man-made Synthetic Material (Plastic/Composite)
Acrylonitrile Butadiene Styrene (ABS) or High-Impact Polystyrene (HIPS)
Sandstone Concretion
Clastic sedimentary rock (primarily Quartz SiO2)
Cullet Glass (Slag)
Amorphous Silicon Dioxide (Man-made)
Green Sea Glass
Man-made silicate glass (weathered)
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (Industrial Man-made)
Opalite
Synthetic Opalite (Man-made glass)
Sandstone Concretion
Clastic Sedimentary Rock (primarily SiO2 with mineral cement)
Titanium-coated Metal Cube (Man-made Fidget Toy)
Titanium-anodized or electroplated alloy (e.g., Ti-coated Zinc or Aluminum)
Man-made earbud charging case (Not a rock or mineral)
Acrylonitrile Butadiene Styrene (ABS) Plastic with electronic components
Chert Arrowhead (Projectile Point)
Microcrystalline Quartz (Chert or Flint)
Slag Glass
Vitreous Silicate Residue
Slag (Industrial Glass/Glassy Rock)
Anthropogenic Vitreous Material
Chert Concretion (with typical hematite/limonite staining)
Sedimentary Concretion (SiO2 with FeO(OH)⋅nH2O)
Opalite (Man-made Glass)
Fused glass (typically made of dolomite and metal opacifiers)
Opalite
Synthetic Glass (Silica-based)
Costume Jewelry with Synthetic Gemstones
Synthetic Cubic Zirconia and Glass (SiO2 / ZrO2)
Asphalt Concrete
Bituminous Concrete
Opaline Glass (Opalite)
Synthetic Silicon Dioxide Glass
Titanium Aura Quartz
Titanium bonded Silicon Dioxide (SiO2 + Ti)
Green sea glass (likely bottle glass)
Man-made soda–lime silicate glass; not a natural mineral
Green sea glass (likely bottle glass)
Man-made soda-lime silicate glass; not a natural mineral
Aura Quartz (Titanium Quartz)
Titanium-coated Silicon Dioxide (SiO2 + Ti)
Clear quartz fragment (rock crystal)
Quartz, silicon dioxide (SiO₂)
Red Slag Glass
Amorphous Silica (Industrial byproduct with metallic oxide dopants)
Concrete
Anthropogenic Sedimentary Conglomerate (Cement mixture: typically Ca2SiO4, Ca3SiO5, Ca3Al2O6)
Blue Goldstone
Auraventurine (Synthetic glass with cobalt and copper inclusions)
Polished obsidian
Volcanic glass; predominantly rhyolitic SiO₂
Blue Obsidian
Volcanic Glass (SiO2 with inclusions)
Green glass sphere/marble
Soda-lime glass (primarily SiO2, Na2O, CaO)
Blue Obsidian (Cullet Glass)
Silicon Dioxide (Amorphous Glass)
Opalite
Synthetic Glass (Amorphized Silicon Dioxide)
Metal Alloy (Likely Pewter or Sterling Silver)
Not a natural geological specimen; composed of refined metals. If pewter, it's a tin-based alloy. If sterling silver, it's 92.5% silver and 7.5% other metals (usually copper).
Opalite
Synthetic Glass (Simulated Opal)
Opalite
Synthetic Glass (Simulated Opal)
Synthetic Resin / Plastic Figurine
Synthetic Polymer (Copolymer of Polyethylene or Resin)