Rock Identifier

Category

Man Made Material (Anthropogenic 'Mineraloid')

Browse man made material (anthropogenic 'mineraloid') specimens identified by the Rock Identifier community.

Learn about Man Made Material (Anthropogenic 'Mineraloid') in the encyclopedia

Opalite

Goldstone

Blue Goldstone

Dunite

Zincite

Mint Obsidian

Crimson Obsidian

Lherzolite

Violet Obsidian

Tangerine Obsidian

Pastel Obsidian

Lavender Obsidian

Asphalt (Bituminous Pavement) (Bituminous mix (Aggregates with Bitumen binder)) — sedimentary

Asphalt (Bituminous Pavement)

Bituminous mix (Aggregates with Bitumen binder)

Aura Quartz (Rainbow Quartz) (Silicon Dioxide (SiO2) with metallic vapor coatings) — mineral

Aura Quartz (Rainbow Quartz)

Silicon Dioxide (SiO2) with metallic vapor coatings

Opalite (Synthetic glass / Opalized glass) — gemstone

Opalite

Synthetic glass / Opalized glass

Man-made Crystal (Lead Glass) (Lead oxide-doped Silica Glass (approx. SiO2 + PbO)) — Mineraloid/Synthetic Material

Man-made Crystal (Lead Glass)

Lead oxide-doped Silica Glass (approx. SiO2 + PbO)

Mineraloid/Synthetic Material

N/A - Image does not contain a rock or mineral (Anthropogenic textile material) — Non-geological

N/A - Image does not contain a rock or mineral

Anthropogenic textile material

Strawberry Quartz (Silicon Dioxide (SiO2) with Hematite or Goethite inclusions) — mineral

Strawberry Quartz

Silicon Dioxide (SiO2) with Hematite or Goethite inclusions

Blue-green cabochon, likely chalcedony or treated glass imitation (Cryptocrystalline quartz (chalcedony/possibly chrysoprase); identification uncertain from image) — gemstone

Blue-green cabochon, likely chalcedony or treated glass imitation

Cryptocrystalline quartz (chalcedony/possibly chrysoprase); identification uncertain from image

Asphalt Chunk (Bituminous Concrete) (Aggregated Bitumen / Artificial Breccia) — sedimentary

Asphalt Chunk (Bituminous Concrete)

Aggregated Bitumen / Artificial Breccia

Ferrous Slag (Iron/Steel Slag (Complex Calcium-Alumino-Silicates)) — Anthropgenic (Industrial Byproduct)

Ferrous Slag

Iron/Steel Slag (Complex Calcium-Alumino-Silicates)

Anthropgenic (Industrial Byproduct)

Blue Goldstone (Aventurine Glass) — man-made glass

Blue Goldstone

Aventurine Glass

Carborundum (Silicon Carbide) (Silicon Carbide (SiC)) — mineral

Carborundum (Silicon Carbide)

Silicon Carbide (SiC)

Red Slag Glass (Amorphous Silica (Industrial byproduct with metallic oxide dopants)) — Mineraloid / Industrial Byproduct

Red Slag Glass

Amorphous Silica (Industrial byproduct with metallic oxide dopants)

Mineraloid / Industrial Byproduct

Cullet Glass (sometimes mistaken for Blue Obsidian or Slag) (Amorphous Silicon Dioxide (SiO2) with chemical additives (e.g., Cobalt for blue color)) — mineraloid / industrial byproduct

Cullet Glass (sometimes mistaken for Blue Obsidian or Slag)

Amorphous Silicon Dioxide (SiO2) with chemical additives (e.g., Cobalt for blue color)

mineraloid / industrial byproduct

Diamond (Native Carbon (C)) — gemstone

Diamond

Native Carbon (C)

Asphalt Chunk (Asphalt concrete) — man-made composite

Asphalt Chunk

Asphalt concrete

man-made composite

Opalite (Synthetic Glass (Hydrated Silica Simulant)) — mineral

Opalite

Synthetic Glass (Hydrated Silica Simulant)

Hematite (Iron(III) oxide (Fe2O3)) — mineral

Hematite

Iron(III) oxide (Fe2O3)

Likely tumbled or cut quartz/chalcedony fragment (Silicon dioxide (SiO₂), probably microcrystalline quartz or quartz) — mineral

Likely tumbled or cut quartz/chalcedony fragment

Silicon dioxide (SiO₂), probably microcrystalline quartz or quartz

Mother of Pearl (Nacre) (Aragonite (CaCO3) with Organic Matrix) — mineral

Mother of Pearl (Nacre)

Aragonite (CaCO3) with Organic Matrix

Slag (Ferrous slag (by-product of iron smelting)) — Mineraloid / Anthropogenic

Slag

Ferrous slag (by-product of iron smelting)

Mineraloid / Anthropogenic

Cultured Marble (Synthetic) (Polymer-matrix composite (typically calcium carbonate in polyester resin)) — Synthetic / Composite Material

Cultured Marble (Synthetic)

Polymer-matrix composite (typically calcium carbonate in polyester resin)

Synthetic / Composite Material

Opalite (Synthetic glass / Opaque silicious glass) — gemstone

Opalite

Synthetic glass / Opaque silicious glass

Not a rock, mineral, or geological specimen — N/A

Not a rock, mineral, or geological specimen

Sandstone (with concrete/human-made layer) (Clastic Sedimentary Rock (primarily Quartz/Feldspar grains)) — sedimentary

Sandstone (with concrete/human-made layer)

Clastic Sedimentary Rock (primarily Quartz/Feldspar grains)

Blue Sea Glass (Amorphous Silica (Anthropogenic glass)) — not a rock (man-made origin)

Blue Sea Glass

Amorphous Silica (Anthropogenic glass)

not a rock (man-made origin)

Cherry Quartz with Rose Quartz (Crystalline Quartz (SiO2) with glass-based synthetic components) — gemstone

Cherry Quartz with Rose Quartz

Crystalline Quartz (SiO2) with glass-based synthetic components

Opalite (Man-made Synthetic Glass (Silicon Dioxide with metal additives)) — mineral

Opalite

Man-made Synthetic Glass (Silicon Dioxide with metal additives)

Opalite (Man-made glass (traditionally simulated Opal)) — mineral

Opalite

Man-made glass (traditionally simulated Opal)

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

Aura Quartz

Titanium-coated Silicon Dioxide (SiO2)

Bouncy Ball (Synthetic Rubber Polymer) (Polybutadiene / Ethylene Vinyl Acetate (EVA)) — Synthetic material (Not a rock or mineral)

Bouncy Ball (Synthetic Rubber Polymer)

Polybutadiene / Ethylene Vinyl Acetate (EVA)

Synthetic material (Not a rock or mineral)

Diamond / Clear Quartz / Glass paste (Carbon (Diamond) / Silicon Dioxide (Quartz)) — gemstone

Diamond / Clear Quartz / Glass paste

Carbon (Diamond) / Silicon Dioxide (Quartz)

Citrine Quartz (Citrine (Silicon Dioxide, SiO2)) — mineral

Citrine Quartz

Citrine (Silicon Dioxide, SiO2)

Black Obsidian (Obsidian (Volcanic Glass, SiO2 + impurities)) — igneous

Black Obsidian

Obsidian (Volcanic Glass, SiO2 + impurities)

Note: This is a Man-Made Object (Costume/Prop Patch) (Synthetic fiber and pigments (Cellulose/Plastic-based composite)) — Non-geological

Note: This is a Man-Made Object (Costume/Prop Patch)

Synthetic fiber and pigments (Cellulose/Plastic-based composite)

Slag Glass (SiO2 (Silicon Dioxide) with impurities) — man-made glass

Slag Glass

SiO2 (Silicon Dioxide) with impurities

Polished brown jasper (likely brecciated or orbicular jasper) (Microcrystalline quartz/chalcedony, SiO₂, with iron-oxide and other mineral inclusions) — gemstone

Polished brown jasper (likely brecciated or orbicular jasper)

Microcrystalline quartz/chalcedony, SiO₂, with iron-oxide and other mineral inclusions

Opalite (Synthetic Opalized Glass) (Synthetic Silicon Dioxide (SiO2) glass) — mineral

Opalite (Synthetic Opalized Glass)

Synthetic Silicon Dioxide (SiO2) glass

Diamond (or Simulant) (Carbon (C)) — gemstone

Diamond (or Simulant)

Carbon (C)

Sea Glass (Silicon dioxide (mostly)) — mineral

Sea Glass

Silicon dioxide (mostly)

Ferruginous Slag (Iron Smelting Byproduct) (Anthropogenic Vitreous Silicate (often containing Fayalite: Fe2SiO4)) — Mineraloid/Anthropogenic (Technofossil)

Ferruginous Slag (Iron Smelting Byproduct)

Anthropogenic Vitreous Silicate (often containing Fayalite: Fe2SiO4)

Mineraloid/Anthropogenic (Technofossil)

Goldstone (Avventurina (Man-made Glass with Copper inclusions)) — mineral

Goldstone

Avventurina (Man-made Glass with Copper inclusions)

Carborundum (Silicon Carbide) (Silicon carbide (SiC)) — mineral

Carborundum (Silicon Carbide)

Silicon carbide (SiC)