Rock Identifier

Category

Industrial Byproduct (Anthropogenic Rock Like Material)

Browse industrial byproduct (anthropogenic rock like material) specimens identified by the Rock Identifier community.

Learn about Industrial Byproduct (Anthropogenic Rock Like Material) in the encyclopedia

Calc-Silicate Rock

Calc-Silicate Rock

Argillite

Dunite

Porcelanite

Felsite

Granulite

Metarhyolite

Limonite

Orbicular Granite

Orbicular Granite

Granodiorite

Bauxite

Metabasalt

Conglomerate (Asphaltic/Anthropogenic) (Clastic sedimentary rock / Bituminous mixture) — sedimentary

Conglomerate (Asphaltic/Anthropogenic)

Clastic sedimentary rock / Bituminous mixture

Concrete Fragment (Hardened Portland cement and mineral aggregate) — sedimentary (anthropogenic)

Concrete Fragment

Hardened Portland cement and mineral aggregate

sedimentary (anthropogenic)

Concrete with Exposed Aggregate (Anthropogenic conglomerate (Concrete)) — man-made rock (sedimentary analogue)

Concrete with Exposed Aggregate

Anthropogenic conglomerate (Concrete)

man-made rock (sedimentary analogue)

Iron meteorite fragment (likely metallic meteorite) (Fe–Ni kamacite/taenite alloy; exact identification requires testing) — meteorite

Iron meteorite fragment (likely metallic meteorite)

Fe–Ni kamacite/taenite alloy; exact identification requires testing

Stainless Steel (Polished) (Ferrous Alloy containing Iron (Fe), Chromium (Cr), and Carbon (C)) — Mineral equivalent / Metal Alloy

Stainless Steel (Polished)

Ferrous Alloy containing Iron (Fe), Chromium (Cr), and Carbon (C)

Mineral equivalent / Metal Alloy

Chert (specifically Flint Arrowhead) (Silicon dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Chert (specifically Flint Arrowhead)

Silicon dioxide (SiO2) - Microcrystalline Quartz

Chert Arrowhead (Lithic Artifact) (Chert (Cryptocrystalline Quartz, SiO2)) — sedimentary

Chert Arrowhead (Lithic Artifact)

Chert (Cryptocrystalline Quartz, SiO2)

Dark polished stone, likely basalt or slag-like volcanic rock (Probable fine-grained basalt; exact identification requires testing) — igneous

Dark polished stone, likely basalt or slag-like volcanic rock

Probable fine-grained basalt; exact identification requires testing

Obsidian Arrowhead (Obsidian (Volcanic Glass)) — igneous

Obsidian Arrowhead

Obsidian (Volcanic Glass)

Chert (Arrowhead artifact) (Chert (Cryptocrystalline Silica, SiO2)) — sedimentary

Chert (Arrowhead artifact)

Chert (Cryptocrystalline Silica, SiO2)

Chert (Jasper/Flint variety) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Jasper/Flint variety)

Microcrystalline Quartz (SiO2)

Asphalt (Road Aggregate) (Bituminous Conglomerate / Asphalt Concrete) — Anthropogenic (Man-made)

Asphalt (Road Aggregate)

Bituminous Conglomerate / Asphalt Concrete

Anthropogenic (Man-made)

Concrete Fragment (Artificial Conglomerate (Cement and Aggregate)) — sedimentary

Concrete Fragment

Artificial Conglomerate (Cement and Aggregate)

Sea Glass (Man-made vitreous material (silica-based glass)) — mineral

Sea Glass

Man-made vitreous material (silica-based glass)

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

Slag

Ferrous slag (by-product of iron smelting)

Mineraloid / Anthropogenic

Concrete (Anthropogenic Sedimentary Rock (Hydrated Calcium Silicate)) — sedimentary (anthropogenic / man-made)

Concrete

Anthropogenic Sedimentary Rock (Hydrated Calcium Silicate)

sedimentary (anthropogenic / man-made)

Iron-rich slag or weathered ironstone fragments (Probably hematite–goethite material; possibly industrial iron slag (Fe₂O₃/FeO(OH))) — mineral

Iron-rich slag or weathered ironstone fragments

Probably hematite–goethite material; possibly industrial iron slag (Fe₂O₃/FeO(OH))

Possible tektite or volcanic glass specimen (Natural silica glass; composition commonly near SiO₂, but exact identification requires chemical testing) — mineral

Possible tektite or volcanic glass specimen

Natural silica glass; composition commonly near SiO₂, but exact identification requires chemical testing

Green Slag Glass (Amorphous Silica / Glassy Blast Furnace Slag) — Mineraloid (Industrial byproduct)

Green Slag Glass

Amorphous Silica / Glassy Blast Furnace Slag

Mineraloid (Industrial byproduct)

Jasper (Multi-colored) / Sea Glass Slag (Silicon Dioxide (SiO2) with impurities of Iron Oxide) — Sedimentary (if natural Jasper) or Artificial (if Slag)

Jasper (Multi-colored) / Sea Glass Slag

Silicon Dioxide (SiO2) with impurities of Iron Oxide

Sedimentary (if natural Jasper) or Artificial (if Slag)

Likely slag or metallic industrial byproduct (Unidentified iron-rich ferrous slag; possibly magnetite-bearing slag) — mineral

Likely slag or metallic industrial byproduct

Unidentified iron-rich ferrous slag; possibly magnetite-bearing slag

Likely weathered iron-rich rock or slag fragment (Indeterminate; possibly limonite/goethite-bearing rock (FeO(OH)·nH₂O) or industrial iron slag) — mineral

Likely weathered iron-rich rock or slag fragment

Indeterminate; possibly limonite/goethite-bearing rock (FeO(OH)·nH₂O) or industrial iron slag

Chert (Arrowhead/Projectile Point) (Microcrystalline quartz (SiO2)) — sedimentary

Chert (Arrowhead/Projectile Point)

Microcrystalline quartz (SiO2)

Possible iron meteorite (Metallic meteorite, likely Fe–Ni alloy (kamacite/taenite)) — meteorite

Possible iron meteorite

Metallic meteorite, likely Fe–Ni alloy (kamacite/taenite)

Bituminous Coal (Coal (Organically derived sedimentary rock)) — sedimentary

Bituminous Coal

Coal (Organically derived sedimentary rock)

Sandstone-based Concrete Fragment (Cementitious Composite with Sedimentary Aggregate) — sedimentary (man-made/anthropogenic)

Sandstone-based Concrete Fragment

Cementitious Composite with Sedimentary Aggregate

sedimentary (man-made/anthropogenic)

Chert (Arrowhead variety) (Chert (SiO2)) — sedimentary

Chert (Arrowhead variety)

Chert (SiO2)

Chert (Arrowhead Debitage or Spall) (Silicon Dioxide (SiO₂)) — sedimentary

Chert (Arrowhead Debitage or Spall)

Silicon Dioxide (SiO₂)

Chert (Arrowhead/Tool variety) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Arrowhead/Tool variety)

Microcrystalline Quartz (SiO2)

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

Silicon Carbide (Carborundum)

Silicon Carbide (SiC)

Chert (Arrowhead Fragment) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Arrowhead Fragment)

Microcrystalline Quartz (SiO2)

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

Chert (Arrowheads)

Microcrystalline Quartz (SiO2)

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

Painted River Rock

Anthropogenic-modified Siliciclastic Sedimentary Rock

Likely polished or naturally smoothed pebble with a pale mineral patch (Undetermined; possibly a dark volcanic rock with a quartz or feldspar inclusion) — igneous

Likely polished or naturally smoothed pebble with a pale mineral patch

Undetermined; possibly a dark volcanic rock with a quartz or feldspar inclusion

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

Chert (Arrowhead Fragment)

Silicon Dioxide (SiO2)

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

Chert (Jasper)

Microcrystalline Quartz (SiO2)

Chert (Arrowhead) (Chert (SiO2)) — sedimentary

Chert (Arrowhead)

Chert (SiO2)

Yellow Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz Pebble

Silicon Dioxide (SiO2)

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

Asphalt (Road Aggregate)

Asphalt concrete / Bituminous mixture

anthropogenic sedimentary (technolith)

Pyrite in Matrix (Iron Sulfide (FeS2)) — mineral

Pyrite in Matrix

Iron Sulfide (FeS2)

Green Obsidian Sphere (man-made glass) (Vitreous Silica with Chromium/Iron additives) — mineralogical simulant

Green Obsidian Sphere (man-made glass)

Vitreous Silica with Chromium/Iron additives

mineralogical simulant

Sandstone (Ferruginous) (Arenite with Iron Oxides) — sedimentary

Sandstone (Ferruginous)

Arenite with Iron Oxides