Rock Identifier

Category

Industrial Byproduct (Anthropogenic Rock)

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

Learn about Industrial Byproduct (Anthropogenic Rock) in the encyclopedia

Rock Gypsum

Coral Rock

Asphalt Rock

Rock Salt

Calc-Silicate Rock

Calc-Silicate Rock

Talc-carbonate Rock

Talc-carbonate Rock

Adirondack Garnet

Adirondack Garnet

Anorthosite

Cataclasite

Peridotite

Phosphorite

Gondite

Tourmaline (Multi-colored) (Complex Borosilicate (Na,Ca)(Li,Mg,Al,Fe)3Al6(BO3)3Si6O18(OH)4) — mineral

Tourmaline (Multi-colored)

Complex Borosilicate (Na,Ca)(Li,Mg,Al,Fe)3Al6(BO3)3Si6O18(OH)4

Sandstone (with differential weathering) (Arenite / Quartz Sandstone (SiO2)) — sedimentary

Sandstone (with differential weathering)

Arenite / Quartz Sandstone (SiO2)

Marble (Recrystallized Limestone (CaCO3)) — metamorphic

Marble

Recrystallized Limestone (CaCO3)

Gold and Diamond (Native Gold (Au) and Diamond (C)) — mineral

Gold and Diamond

Native Gold (Au) and Diamond (C)

Sapphire Rough (Corundum) (Corundum (Aluminum Oxide, Al2O3)) — mineral

Sapphire Rough (Corundum)

Corundum (Aluminum Oxide, Al2O3)

Bauxite (Hydrated Aluminum Oxides (primarily Gibbsite Al(OH)3, Boehmite γ-AlO(OH), and Diaspore α-AlO(OH))) — sedimentary

Bauxite

Hydrated Aluminum Oxides (primarily Gibbsite Al(OH)3, Boehmite γ-AlO(OH), and Diaspore α-AlO(OH))

Ferruginous Quartz (Silicon Dioxide (SiO2) with Iron Oxide inclusions) — mineral

Ferruginous Quartz

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Chert (and Jasper/Chalcedony mixture) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (and Jasper/Chalcedony mixture)

Microcrystalline Quartz (SiO2)

Shale or Slaty Mudstone (Argillaceous sedimentary rock) — sedimentary

Shale or Slaty Mudstone

Argillaceous sedimentary rock

Ironstone (Limonitic/Hematitic Sandstone) (Ferruginous sandstone (predominantly Fe2O3 and FeO(OH))) — sedimentary

Ironstone (Limonitic/Hematitic Sandstone)

Ferruginous sandstone (predominantly Fe2O3 and FeO(OH))

Diamond (C (Native Carbon)) — mineral

Diamond

C (Native Carbon)

Bornite (Bornite (Cu5FeS4)) — mineral

Bornite

Bornite (Cu5FeS4)

Diamond (Cut Specimen) (Carbon (C)) — mineral

Diamond (Cut Specimen)

Carbon (C)

River Pebble (Granite/Gneiss) (Granitic Pebble / Quartz-Feldspar Aggregate) — igneous

River Pebble (Granite/Gneiss)

Granitic Pebble / Quartz-Feldspar Aggregate

River Pebble (Siltstone / Fine-grained Sandstone) (Sedimentary Pebble (Siliclastic)) — sedimentary

River Pebble (Siltstone / Fine-grained Sandstone)

Sedimentary Pebble (Siliclastic)

Quartzite Pebble (Iron-stained Quartz) (Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions) — metamorphic

Quartzite Pebble (Iron-stained Quartz)

Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions

Ruby (Raw Corundum) (Corundum (Al2O3) with Chromium traces) — mineral

Ruby (Raw Corundum)

Corundum (Al2O3) with Chromium traces

Blue Sapphire (Corundum (Al2O3) with traces of Iron and Titanium) — mineral

Blue Sapphire

Corundum (Al2O3) with traces of Iron and Titanium

Smoky Quartz and Chalcedony Geode Fragment (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz and Chalcedony Geode Fragment

Silicon Dioxide (SiO2)

Quartz Vein in Metamorphic Rock (Quartzite or Schist host with Quartz (SiO2) intrusion) — metamorphic

Quartz Vein in Metamorphic Rock

Quartzite or Schist host with Quartz (SiO2) intrusion

K-Feldspar Granite Fragment (Felsic Plutonic Rock (Granite)) — igneous

K-Feldspar Granite Fragment

Felsic Plutonic Rock (Granite)

Serpentine (Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4) — metamorphic

Serpentine

Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4

Basalt (Extrusive mafic igneous rock) — igneous

Basalt

Extrusive mafic igneous rock

Granite pebble (Granite, typically quartz–feldspar–mica aggregate) — igneous

Granite pebble

Granite, typically quartz–feldspar–mica aggregate

Sandstone with Lichen and Iron Oxide Staining (Quartz Arenite / Sandstone) — sedimentary

Sandstone with Lichen and Iron Oxide Staining

Quartz Arenite / Sandstone

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Granodiorite (Granodiorite) — igneous

Granodiorite

Granodiorite

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Greywacke (Lithic Sandstone (Greywacke)) — sedimentary

Greywacke

Lithic Sandstone (Greywacke)

Diamond (Uncut/Rough) (Carbon (C)) — mineral

Diamond (Uncut/Rough)

Carbon (C)

Coal (Anthracite) (Anthracite coal (Carbon C)) — sedimentary

Coal (Anthracite)

Anthracite coal (Carbon C)

Anthracite (Anthracite coal) — metamorphic

Anthracite

Anthracite coal

Kaolinite (Kaolin) (Kaolinite (Al2Si2O5(OH)4)) — mineral

Kaolinite (Kaolin)

Kaolinite (Al2Si2O5(OH)4)

Perlite (Unexpanded) (Amorphous volcanic glass) — igneous

Perlite (Unexpanded)

Amorphous volcanic glass

Gray Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Gray Limestone

Calcium Carbonate (CaCO3)

Anthracite Coal (Anthracite coal (High-rank coal)) — sedimentary

Anthracite Coal

Anthracite coal (High-rank coal)

Granite and Igneous Mix (Phaneritic Felsic to Mafic Intrusive Rocks) — igneous

Granite and Igneous Mix

Phaneritic Felsic to Mafic Intrusive Rocks

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Limestone (Limestone (Calcium Carbonate, CaCO3)) — sedimentary

Limestone

Limestone (Calcium Carbonate, CaCO3)