Rock Identifier

Category

Anthropogenic Specimen (Man Made Material)

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

Learn about Anthropogenic Specimen (Man Made Material) in the encyclopedia

Opalite

Goldstone

Blue Goldstone

Dunite

Zincite

Emerald Crystal

Emerald Crystal

Morganite Crystal

Morganite Crystal

Mint Obsidian

Crimson Obsidian

Lherzolite

Violet Obsidian

Tangerine Obsidian

Opalite (Synthetically produced glass (Silicon Dioxide with metallic inclusions)) — Mineraloid (Man-made Glass)

Opalite

Synthetically produced glass (Silicon Dioxide with metallic inclusions)

Mineraloid (Man-made Glass)

Diamond (Carbon (C)) — gemstone

Diamond

Carbon (C)

Sea Glass (Cobalt Blue) (Amorphous Silica (Glass with Cobalt additives)) — Anthropogenic specimen (man-made)

Sea Glass (Cobalt Blue)

Amorphous Silica (Glass with Cobalt additives)

Anthropogenic specimen (man-made)

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

Sandstone Concretion

Septarian or Carbonate-cemented Sandstone Concretion

Painted River Rock (Anthropogenic-modified Siliciclastic Sedimentary Rock) — Sedimentary

Painted River Rock

Anthropogenic-modified Siliciclastic Sedimentary Rock

Chert Arrowhead (Chert (Cryptocrystalline variety of Quartz, SiO2)) — sedimentary

Chert Arrowhead

Chert (Cryptocrystalline variety of Quartz, SiO2)

Chert (Flint/Chalcedony) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Flint/Chalcedony)

Silicon Dioxide (SiO2)

Magnetic Hematite (Man-made) (Iron Oxide (Fe2O3) with Barium-Strontium Ferrite) — mineral

Magnetic Hematite (Man-made)

Iron Oxide (Fe2O3) with Barium-Strontium Ferrite

Diamond (as set in a metal alloy ring) (Diamond (Pure Carbon, C)) — mineral

Diamond (as set in a metal alloy ring)

Diamond (Pure Carbon, C)

Cherry Quartz (SiO2 (Silicon Dioxide with iron-rich inclusions/dye)) — mineral

Cherry Quartz

SiO2 (Silicon Dioxide with iron-rich inclusions/dye)

Aventurine Quartz (Silicon Dioxide (SiO2) with Fuchsite inclusions) — metamorphic

Aventurine Quartz

Silicon Dioxide (SiO2) with Fuchsite inclusions

Chert (Polished River Pebble) (Chert (SiO2)) — sedimentary

Chert (Polished River Pebble)

Chert (SiO2)

Fulgarite (Fulgurite (Lechatelierite / Vitrified Sand)) — igneous

Fulgarite

Fulgurite (Lechatelierite / Vitrified Sand)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Chert / Green Jasper (Silicon Dioxide (SiO2)) — sedimentary

Chert / Green Jasper

Silicon Dioxide (SiO2)

White quartz pebble (Quartz (SiO₂), likely milky quartz) — mineral

White quartz pebble

Quartz (SiO₂), likely milky quartz

Diamond (Native Carbon (C)) — gemstone

Diamond

Native Carbon (C)

Chert (often called Flint or Jasper) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (often called Flint or Jasper)

Microcrystalline Quartz (SiO2)

Opalite (Synthetic Opalised Glass) — glass

Opalite

Synthetic Opalised Glass

Opalite (Synthetic opalescent glass) — glass

Opalite

Synthetic opalescent glass

Aqua Aura Quartz (Silicon Dioxide (SiO2) bonded with Gold (Au)) — mineral (treated)

Aqua Aura Quartz

Silicon Dioxide (SiO2) bonded with Gold (Au)

mineral (treated)

Goldstone (Aventurine glass) — mineral (man-made glass)

Goldstone

Aventurine glass

mineral (man-made glass)

Opalite (Synthetic Opalite Glass) — mineraloid (man-made)

Opalite

Synthetic Opalite Glass

mineraloid (man-made)

Chert (Silicon dioxide (SiO2)) — Sedimentary

Chert

Silicon dioxide (SiO2)

Green cabochon gemstone, likely aventurine or dyed chalcedony (Indeterminate from image; possible quartz variety (SiO₂), including aventurine quartz or chalcedony) — gemstone

Green cabochon gemstone, likely aventurine or dyed chalcedony

Indeterminate from image; possible quartz variety (SiO₂), including aventurine quartz or chalcedony

Boxwork or Septarian Concretion (Septarian nodule / Boxwork weathering) — sedimentary

Boxwork or Septarian Concretion

Septarian nodule / Boxwork weathering

Polished/tumbled brown-and-white mineral fragment (Indeterminate; possibly quartz-rich jasper, brecciated jasper, or an iron-stained quartz mineral) — mineral

Polished/tumbled brown-and-white mineral fragment

Indeterminate; possibly quartz-rich jasper, brecciated jasper, or an iron-stained quartz mineral

Chert (Arrowhead Fragment) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Arrowhead Fragment)

Silicon Dioxide (SiO2)

Diamond (Carbon (C)) — gemstone

Diamond

Carbon (C)

Man-made Synthetic Material (Not a rock or mineral) (Polyester (Polyethylene terephthalate) / Faux Fur) — Synthetic / Textile

Man-made Synthetic Material (Not a rock or mineral)

Polyester (Polyethylene terephthalate) / Faux Fur

Synthetic / Textile

Man-made Synthetic Material (Costume Faux Fur) (Synthetic Polymer (Polyester/Acrylic)) — not a rock

Man-made Synthetic Material (Costume Faux Fur)

Synthetic Polymer (Polyester/Acrylic)

Chert (Flint) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Flint)

Microcrystalline Quartz (SiO2)

Opalite (Man-made Glass) (Synthetic Silicon Dioxide Glass (SiO2 + metal oxides)) — Synthetic Mineral Simulant / Glass

Opalite (Man-made Glass)

Synthetic Silicon Dioxide Glass (SiO2 + metal oxides)

Synthetic Mineral Simulant / Glass

Rainbow Hematite (Man-made/Treated) (Tumbled Hematite with Titanium/Anodized coating (Iron(III) oxide, Fe2O3)) — mineral

Rainbow Hematite (Man-made/Treated)

Tumbled Hematite with Titanium/Anodized coating (Iron(III) oxide, Fe2O3)

Limestone (Calcareous sedimentary rock (CaCO3)) — sedimentary

Limestone

Calcareous sedimentary rock (CaCO3)

Chert (Microcrystalline Silicon Dioxide (SiO2)) — sedimentary

Chert

Microcrystalline Silicon Dioxide (SiO2)

Slag (Metallurgical Slag) — igneous

Slag

Metallurgical Slag

Pink Quartz / Sea Glass (Silicon Dioxide (SiO2)) — mineral

Pink Quartz / Sea Glass

Silicon Dioxide (SiO2)

Obsidian (Blue) (Volcanic Glass (SiO2)) — igneous

Obsidian (Blue)

Volcanic Glass (SiO2)

Blue Cracked Quartz (Dyed Fire Crackle Quartz) (Silicon Dioxide (SiO2) with synthetic dye) — mineral

Blue Cracked Quartz (Dyed Fire Crackle Quartz)

Silicon Dioxide (SiO2) with synthetic dye

Slag (Ferrous Slag (Siliceous industrial waste)) — Anthropogenic (Man-made industrial byproduct)

Slag

Ferrous Slag (Siliceous industrial waste)

Anthropogenic (Man-made industrial byproduct)

Chert (Black Flint) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Black Flint)

Silicon Dioxide (SiO2)