Rock Identifier

Category

Industrial Byproduct

Browse industrial byproduct specimens identified by the Rock Identifier community.

Learn about Industrial Byproduct in the encyclopedia

Adirondack Garnet

Adirondack Garnet

Almandine Garnet

Almandine Garnet

Diatomaceous Earth

Diatomaceous Earth

Tripolite

Tripolite

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Pink Granite (Granite (Alkali-feldspar granite)) — igneous

Pink Granite

Granite (Alkali-feldspar granite)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Diabase (Dolerite) Cobble (Diabase / Dolerite) — igneous

Diabase (Dolerite) Cobble

Diabase / Dolerite

Quartzite (Metamorphosed Quartz Arenite (SiO2)) — metamorphic

Quartzite

Metamorphosed Quartz Arenite (SiO2)

Diamond (Native Carbon (C)) — mineral

Diamond

Native Carbon (C)

Opalite (Synthetic Opalite (Man-made glass)) — mineral

Opalite

Synthetic Opalite (Man-made glass)

Transit Token (RTD Denver) (Nickel-plated brass or bronze alloy (Cu-Sn-Zn-Ni)) — not a rock or mineral (anthropogenic material)

Transit Token (RTD Denver)

Nickel-plated brass or bronze alloy (Cu-Sn-Zn-Ni)

not a rock or mineral (anthropogenic material)

Artificial Rock Face (Faux Rock) (Glass Fiber Reinforced Concrete (GFRC)) — man-made/construction material

Artificial Rock Face (Faux Rock)

Glass Fiber Reinforced Concrete (GFRC)

man-made/construction material

Aura Quartz (Pink/Rose Aura Quartz) (Silicon Dioxide (SiO2) bonded with Platinum and/or Silver) — mineral

Aura Quartz (Pink/Rose Aura Quartz)

Silicon Dioxide (SiO2) bonded with Platinum and/or Silver

Quartz (Engineered Stone Countertop) (Silicon Dioxide (SiO2) within a resin matrix) — igneous

Quartz (Engineered Stone Countertop)

Silicon Dioxide (SiO2) within a resin matrix

Ironstone (Limonitic Sandstone) (Ferruginous Sandstone (rich in Limonite: FeO(OH)·nH2O)) — sedimentary

Ironstone (Limonitic Sandstone)

Ferruginous Sandstone (rich in Limonite: FeO(OH)·nH2O)

Chert (containing Flint nodules) (Microcrystalline or cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (containing Flint nodules)

Microcrystalline or cryptocrystalline Quartz (SiO2)

Almandine Garnet (Almandine, Fe3Al2(SiO4)3) — mineral

Almandine Garnet

Almandine, Fe3Al2(SiO4)3

Basalt with Secondary Mineralization (Likely Zeolites or Calcite) (Aphanitic mafic volcanic rock with secondary mineral inclusions (e.g., CaAl2Si3O10·3H2O for Scolecite)) — igneous

Basalt with Secondary Mineralization (Likely Zeolites or Calcite)

Aphanitic mafic volcanic rock with secondary mineral inclusions (e.g., CaAl2Si3O10·3H2O for Scolecite)

Dyed Quartz (often sold as 'Blue Quartz' or 'Blue Agate') (Silicon Dioxide (SiO2) with artificial pigment) — mineral

Dyed Quartz (often sold as 'Blue Quartz' or 'Blue Agate')

Silicon Dioxide (SiO2) with artificial pigment

Graywacke (River Cobble) (Lithic Sandstone (Graywacke)) — sedimentary

Graywacke (River Cobble)

Lithic Sandstone (Graywacke)

Gabbro (Water-worn Pebble) (Phaneritic Mafic Igneous Rock) — igneous

Gabbro (Water-worn Pebble)

Phaneritic Mafic Igneous Rock

Granite (Granite (Phaneritic intrusive igneous rock)) — igneous

Granite

Granite (Phaneritic intrusive igneous rock)

Basalt (Basalt) — igneous

Basalt

Basalt

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Pumice (Pumice (Volcanic glass with vesicular texture)) — igneous

Pumice

Pumice (Volcanic glass with vesicular texture)

Granite Glacial Erratic (Granite (Phaneritic Quartz-Feldspar Plutonic Rock)) — igneous

Granite Glacial Erratic

Granite (Phaneritic Quartz-Feldspar Plutonic Rock)

Asphalt Concrete (Bituminous conglomerate) — sedimentary

Asphalt Concrete

Bituminous conglomerate

Pink Granite (Intrusive Igneous Rock (Granitic)) — igneous

Pink Granite

Intrusive Igneous Rock (Granitic)

Riverstone Quartzite (Iron-stained) (Quartzite (primarily SiO2 with Limonite/Goethite staining)) — metamorphic

Riverstone Quartzite (Iron-stained)

Quartzite (primarily SiO2 with Limonite/Goethite staining)

Granite (Granite) — igneous

Granite

Granite

Garnet (Almandine/Pyrope series) (Garnet Group - X3Y2(SiO4)3) — mineral

Garnet (Almandine/Pyrope series)

Garnet Group - X3Y2(SiO4)3

Basalt with Quartz/Calcite Veins (Basalt (Aphanitic Mafic Igneous Rock)) — igneous

Basalt with Quartz/Calcite Veins

Basalt (Aphanitic Mafic Igneous Rock)

Coal (Anthracite or Bituminous) (Carbon (C) with varying hydrocarbon and mineral impurities) — sedimentary

Coal (Anthracite or Bituminous)

Carbon (C) with varying hydrocarbon and mineral impurities

Pumice (Pumicite (Amorphous volcanic glass)) — Igneous

Pumice

Pumicite (Amorphous volcanic glass)

Marble (Recrystallized Calcite (CaCO3)) — metamorphic

Marble

Recrystallized Calcite (CaCO3)

Quartzite Pebble (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Quartzite Pebble

Metamorphosed Quartz Sandstone (SiO2)

Quartzite (Quartzite (predominantly SiO2)) — metamorphic

Quartzite

Quartzite (predominantly SiO2)

Quartzite (or Milky Quartz pebble) (Quartzite (Metamorphosed Sandstone) / Silicon Dioxide (SiO2)) — metamorphic

Quartzite (or Milky Quartz pebble)

Quartzite (Metamorphosed Sandstone) / Silicon Dioxide (SiO2)

Kaolin Clay in Saprolite Profile

Kaolinite (Al2Si2O5(OH)4) within Weathered Pegmatite/Granite

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Anthracite Coal (Anthracite) — sedimentary

Anthracite Coal

Anthracite

Granite (Phaneritic Igneous Rock (composed mostly of Quartz, Feldspar, and Mica)) — igneous

Granite

Phaneritic Igneous Rock (composed mostly of Quartz, Feldspar, and Mica)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Pink Granite (Granitoid (rich in Potassium Feldspar)) — igneous

Pink Granite

Granitoid (rich in Potassium Feldspar)