Rock Identifier

Category

Industrial Byproduct (Anthropogenic Material)

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

Learn about Industrial Byproduct (Anthropogenic Material) in the encyclopedia

Adirondack Garnet

Adirondack Garnet

Peat

Almandine Garnet

Almandine Garnet

Dunite

Limonite

Shell Opal

Madagascar Opal

Lavender Obsidian

Electric Blue Obsidian

Orange Obsidian

Diamond

Metarhyolite

Opalite Egg (Synthetic Glass (Simulated Opal)) — mineral

Opalite Egg

Synthetic Glass (Simulated Opal)

Note: Item is not a geological specimen (Guitar Components (Steel, Nickel, Plastic, Wood)) — Synthetic/Consumer Product

Note: Item is not a geological specimen

Guitar Components (Steel, Nickel, Plastic, Wood)

Synthetic/Consumer Product

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

Titanium Aura Quartz

Titanium-coated Silicon Dioxide (SiO2)

mineral (man-enhanced)

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

Titanium Aura Quartz

Titanium-coated Silicon Dioxide (SiO2)

Schist (Mica schist, likely muscovite–biotite schist with quartz and feldspar) — metamorphic

Schist

Mica schist, likely muscovite–biotite schist with quartz and feldspar

Greenstone / Serpentinite Pebble (Serpentinite (Hydrated Magnesium Silicate, Mg3Si2O5(OH)4)) — metamorphic

Greenstone / Serpentinite Pebble

Serpentinite (Hydrated Magnesium Silicate, Mg3Si2O5(OH)4)

Ironstone (Ferruginous Sedimentary Rock (composed of Goethite, Hematite, and Limonite)) — sedimentary

Ironstone

Ferruginous Sedimentary Rock (composed of Goethite, Hematite, and Limonite)

Ferruginous Sandstone (Ironstone) (Iron-rich Arenite) — sedimentary

Ferruginous Sandstone (Ironstone)

Iron-rich Arenite

Vanadinite (Lead Chlorovanadate, Pb5(VO4)3Cl) — mineral

Vanadinite

Lead Chlorovanadate, Pb5(VO4)3Cl

Ironstone (with Limonite/Goethite) (Ferruginous Sedimentary Rock (contains Limonite FeO(OH)·nH2O and Hematite Fe2O3)) — sedimentary

Ironstone (with Limonite/Goethite)

Ferruginous Sedimentary Rock (contains Limonite FeO(OH)·nH2O and Hematite Fe2O3)

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Sandstone Pebble (Sandstone (primarily Quartz, SiO2)) — sedimentary

Sandstone Pebble

Sandstone (primarily Quartz, SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Red Sandstone or Brick Fragment (Arenite (if sandstone)) — sedimentary

Red Sandstone or Brick Fragment

Arenite (if sandstone)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Tree Agate (Silicon dioxide (SiO2)) — Mineral

Tree Agate

Silicon dioxide (SiO2)

Asphalt (Road Aggregate) (Bituminous conglomerate) — sedimentary

Asphalt (Road Aggregate)

Bituminous conglomerate

Dyed Agate Slice (Silicon Dioxide (SiO2) with artificial colorants) — Mineral (variety of Chalcedony)

Dyed Agate Slice

Silicon Dioxide (SiO2) with artificial colorants

Mineral (variety of Chalcedony)

Amber (Succiniferous organic material (Succinite)) — fossil

Amber

Succiniferous organic material (Succinite)

Tumbled green jasper (probable serpentine-rich stone) (Jasper, microcrystalline quartz (SiO₂), possibly mixed with serpentine or chlorite) — mineral

Tumbled green jasper (probable serpentine-rich stone)

Jasper, microcrystalline quartz (SiO₂), possibly mixed with serpentine or chlorite

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Petrified Wood (Petrified Wood (Silicified Wood)) — fossil

Petrified Wood

Petrified Wood (Silicified Wood)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Granodiorite (Granodiorite) — igneous

Granodiorite

Granodiorite

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite (Metamorphic Quartz-rich Rock) — metamorphic

Quartzite

Metamorphic Quartz-rich Rock

Bentonite Clay (Montmorillonite (Al2H2O12Si4)) — sedimentary

Bentonite Clay

Montmorillonite (Al2H2O12Si4)

Quartzite (Metamorphic rock primarily composed of Quartz (SiO2)) — metamorphic

Quartzite

Metamorphic rock primarily composed of Quartz (SiO2)

Black Sand (Magnetite/Heavy Mineral Concentrate) (Magnetite-rich Placers (Fe3O4)) — sedimentary

Black Sand (Magnetite/Heavy Mineral Concentrate)

Magnetite-rich Placers (Fe3O4)

Basalt with Vesicles (Vesicular Basalt (Mafic Extrusive)) — igneous

Basalt with Vesicles

Vesicular Basalt (Mafic Extrusive)

Pumice (Pumice (a vesicular volcanic glass)) — igneous

Pumice

Pumice (a vesicular volcanic glass)

Basalt (Basalt) — igneous

Basalt

Basalt

Bauxite (Aluminium ore consisting largely of the minerals gibbsite Al(OH)3, boehmite γ-AlO(OH) and diaspore α-AlO(OH)) — sedimentary

Bauxite

Aluminium ore consisting largely of the minerals gibbsite Al(OH)3, boehmite γ-AlO(OH) and diaspore α-AlO(OH)

Chalk (Sedimentary Limestone) (Calcite (CaCO3)) — sedimentary

Chalk (Sedimentary Limestone)

Calcite (CaCO3)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Granite Pebble (Granite (Felsic Intrusive Igneous Rock)) — igneous

Granite Pebble

Granite (Felsic Intrusive Igneous Rock)

Coal (Bituminous) (Bituminous Coal (C)) — sedimentary

Coal (Bituminous)

Bituminous Coal (C)

Limestone (Sedimentary rock composed primarily of Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Sedimentary rock composed primarily of Calcium Carbonate (CaCO3)

Bituminous Coal (Humic coal (Carboniferous fossil fuel)) — sedimentary

Bituminous Coal

Humic coal (Carboniferous fossil fuel)

Greywacke (Dirty Sandstone (Lithic wacke)) — sedimentary

Greywacke

Dirty Sandstone (Lithic wacke)