Rock Identifier

Category

Man Made Object (Simulant)

Browse man made object (simulant) specimens identified by the Rock Identifier community.

Learn about Man Made Object (Simulant) in the encyclopedia

Opalite

Yttrium Aluminum Garnet

Yttrium Aluminum Garnet

Map Jasper

Goldstone

Blue Goldstone

Mandarin Garnet

Mandarin Garnet

Andalusite

Zincite

Transvaal Jade

Marl

Coquina

Dunite

Slag (Industrial Byproduct) (Artificial silicate/iron byproduct) — Mineral description (Anthropogenic material)

Slag (Industrial Byproduct)

Artificial silicate/iron byproduct

Mineral description (Anthropogenic material)

Tumbled black stone, likely black obsidian (Obsidian; volcanic glass, typically rhyolitic composition (SiO₂-rich)) — igneous

Tumbled black stone, likely black obsidian

Obsidian; volcanic glass, typically rhyolitic composition (SiO₂-rich)

Diamond ring (Diamond, crystalline carbon (C)) — gemstone

Diamond ring

Diamond, crystalline carbon (C)

Dragon's Breath (Mexican Opal Glass) (Artisan Foil Glass (SiO2 based)) — mineraloid

Dragon's Breath (Mexican Opal Glass)

Artisan Foil Glass (SiO2 based)

Transit Token (RTD Denver) (Nickel-plated brass or bronze alloy (Cu-Sn-Zn-Ni)) — not a rock or mineral (anthropogenic material)

Transit Token (RTD Denver)

Nickel-plated brass or bronze alloy (Cu-Sn-Zn-Ni)

not a rock or mineral (anthropogenic material)

Mystic Topaz (Treated Quartz or Topaz) (Aluminum silicate fluoride hydroxide [Al2SiO4(F,OH)2] with thin-film metallic coating) — gemstone

Mystic Topaz (Treated Quartz or Topaz)

Aluminum silicate fluoride hydroxide [Al2SiO4(F,OH)2] with thin-film metallic coating

Sandstone Concretion (Limonitic Sandstone Concretion) — sedimentary

Sandstone Concretion

Limonitic Sandstone Concretion

Asphalt (Road Aggregate) (Bituminous conglomerate) — sedimentary

Asphalt (Road Aggregate)

Bituminous conglomerate

Blue Apatite (Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)) — mineral

Blue Apatite

Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)

Blue glass-like bead or gemstone keychain ornament (Indeterminate; likely cobalt-blue glass or synthetic blue spinel, not identifiable as a natural mineral from the image) — gemstone

Blue glass-like bead or gemstone keychain ornament

Indeterminate; likely cobalt-blue glass or synthetic blue spinel, not identifiable as a natural mineral from the image

Colorless faceted gemstone, likely glass or quartz (Uncertain; possibly quartz (SiO₂), but the strong uniform brilliance and apparent molded/faceted form may indicate leaded glass or cubic zirconia) — gemstone

Colorless faceted gemstone, likely glass or quartz

Uncertain; possibly quartz (SiO₂), but the strong uniform brilliance and apparent molded/faceted form may indicate leaded glass or cubic zirconia

Terrazzo (Man-made Composite) (Cementitious or Resin-bound Lithic Composite) — sedimentary (artificial)

Terrazzo (Man-made Composite)

Cementitious or Resin-bound Lithic Composite

sedimentary (artificial)

Crushed Stone (Likely Limestone or Granite) (Calcium Carbonate (CaCO3) for Limestone / Quartz and Feldspar for Granite) — sedimentary or igneous

Crushed Stone (Likely Limestone or Granite)

Calcium Carbonate (CaCO3) for Limestone / Quartz and Feldspar for Granite

sedimentary or igneous

Concrete Rubble with Aggregate (Hardened Portland Cement Paste with Coarse Aggregate) — Anthropogenic (Man-made)

Concrete Rubble with Aggregate

Hardened Portland Cement Paste with Coarse Aggregate

Anthropogenic (Man-made)

Cullet Glass (Slag Glass) (Amorphous Silicon Dioxide (Industrial Man-made)) — mineraloid

Cullet Glass (Slag Glass)

Amorphous Silicon Dioxide (Industrial Man-made)

Opalite (Synthetic Opalite (Man-made glass)) — mineral

Opalite

Synthetic Opalite (Man-made glass)

Opalite (Man-made Glass (SiO2 + additives)) — mineraloid (synthetic)

Opalite

Man-made Glass (SiO2 + additives)

mineraloid (synthetic)

Blue Slag Glass (Man-made Silicon Dioxide (Amorphous)) — Anthropogenic (Man-made)

Blue Slag Glass

Man-made Silicon Dioxide (Amorphous)

Anthropogenic (Man-made)

Cullet Glass (Slag) (Amorphous Silicon Dioxide (Man-made)) — Mineraloid

Cullet Glass (Slag)

Amorphous Silicon Dioxide (Man-made)

Green Sea Glass (Man-made silicate glass (weathered)) — sedimentary

Green Sea Glass

Man-made silicate glass (weathered)

Concrete Paver (Artificial Cementitious Rock) (Hydrated Portland Cement Aggregate) — Sedimentary (Synthetic)

Concrete Paver (Artificial Cementitious Rock)

Hydrated Portland Cement Aggregate

Sedimentary (Synthetic)

Unidentifiable Rock Fragment — Uncertain

Unidentifiable Rock Fragment

Asphalt Concrete (Bituminous Conglomerate) (Anthropogenic Bituminous Conglomerate) — sedimentary

Asphalt Concrete (Bituminous Conglomerate)

Anthropogenic Bituminous Conglomerate

Concrete (Anthropogenic Conglomerate) — sedimentary

Concrete

Anthropogenic Conglomerate

Loose faceted colorless gemstones, likely quartz or glass-like mineral chips (Most consistent with quartz (SiO₂), though the photograph cannot exclude synthetic cubic zirconia or glass) — gemstone

Loose faceted colorless gemstones, likely quartz or glass-like mineral chips

Most consistent with quartz (SiO₂), though the photograph cannot exclude synthetic cubic zirconia or glass

Opalite (Synthetic Glass (Silica-based)) — gemstone

Opalite

Synthetic Glass (Silica-based)

Costume Jewelry with Synthetic Gemstones (Synthetic Cubic Zirconia and Glass (SiO2 / ZrO2)) — mineral

Costume Jewelry with Synthetic Gemstones

Synthetic Cubic Zirconia and Glass (SiO2 / ZrO2)

Aggregate Concrete (Anthropogenic Conglomerate (Technosol)) — sedimentary

Aggregate Concrete

Anthropogenic Conglomerate (Technosol)

Asphalt Concrete (Bituminous Concrete) — sedimentary (artificial)

Asphalt Concrete

Bituminous Concrete

sedimentary (artificial)

Opaline Glass (Opalite) (Synthetic Silicon Dioxide Glass) — Mineraloid (Man-made)

Opaline Glass (Opalite)

Synthetic Silicon Dioxide Glass

Mineraloid (Man-made)

Titanium Aura Quartz (Titanium bonded Silicon Dioxide (SiO2 + Ti)) — mineral

Titanium Aura Quartz

Titanium bonded Silicon Dioxide (SiO2 + Ti)

Aura Quartz (Titanium Quartz) (Titanium-coated Silicon Dioxide (SiO2 + Ti)) — mineral

Aura Quartz (Titanium Quartz)

Titanium-coated Silicon Dioxide (SiO2 + Ti)

Concretion (Sandstone) (Carbonate-cemented Sandstone Concretion) — sedimentary

Concretion (Sandstone)

Carbonate-cemented Sandstone Concretion

Opalite (Synthetic Glass (SiO2 + impurities)) — mineral

Opalite

Synthetic Glass (SiO2 + impurities)

Clear Quartz Sphere (Rock Crystal) (Silicon Dioxide (SiO2)) — mineral

Clear Quartz Sphere (Rock Crystal)

Silicon Dioxide (SiO2)

Blue Goldstone (Auraventurine (Synthetic glass with cobalt and copper inclusions)) — Synthetic (Man-made Glass)

Blue Goldstone

Auraventurine (Synthetic glass with cobalt and copper inclusions)

Synthetic (Man-made Glass)

Polished blue calcite sphere (tentative identification) (Calcite, CaCO₃; blue color generally results from trace impurities or inclusions) — mineral

Polished blue calcite sphere (tentative identification)

Calcite, CaCO₃; blue color generally results from trace impurities or inclusions

Opalite (Synthetic Glass (Simulated Opal)) — gemstone

Opalite

Synthetic Glass (Simulated Opal)

Opalite (Synthetic Glass (Simulated Opal)) — gemstone

Opalite

Synthetic Glass (Simulated Opal)

Asphalt / Road Aggregate (Bituminous Conglomerate (synthetic)) — sedimentary

Asphalt / Road Aggregate

Bituminous Conglomerate (synthetic)

Asphalt (Road Aggregate) (Asphalt concrete / Bituminous mixture) — anthropogenic sedimentary (technolith)

Asphalt (Road Aggregate)

Asphalt concrete / Bituminous mixture

anthropogenic sedimentary (technolith)

Cullet Glass (Slag Glass) (Amorphous Silicon Dioxide (Industrial Byproduct)) — mineraloid

Cullet Glass (Slag Glass)

Amorphous Silicon Dioxide (Industrial Byproduct)