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

Bauxite

Granodiorite

Metabasalt

Limestone Cobble (Carbonate Rock (CaCO3)) — sedimentary

Limestone Cobble

Carbonate Rock (CaCO3)

Chert (Gray Chalcedony) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Gray Chalcedony)

Microcrystalline Quartz (SiO2)

Banded Chert (Jasper) (Silicon Dioxide (SiO2)) — sedimentary

Banded Chert (Jasper)

Silicon Dioxide (SiO2)

Garnet amphibolite / Metamorphic Rock (Garnet Amphibolite (Hornblende - Almandine schist/gneiss)) — metamorphic

Garnet amphibolite / Metamorphic Rock

Garnet Amphibolite (Hornblende - Almandine schist/gneiss)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Chert (Field Stone/Pebble) (Microcrystalline or cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Field Stone/Pebble)

Microcrystalline or cryptocrystalline Quartz (SiO2)

Sandstone (with potential fossil inclusions) (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone (with potential fossil inclusions)

Clastic sedimentary rock (primarily SiO2)

Granite Fragment (Felsic Plutonic Rock (Granite)) — igneous

Granite Fragment

Felsic Plutonic Rock (Granite)

Crushed Stone / Gravel (Aggregate (mixed lithology)) — sedimentary

Crushed Stone / Gravel

Aggregate (mixed lithology)

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

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

Chert / Jasper

Silicon Dioxide (SiO2)

Tufa Rock and Tumbled Gemstones (Calcareous Tufa (Calcium Carbonate, CaCO3)) — sedimentary

Tufa Rock and Tumbled Gemstones

Calcareous Tufa (Calcium Carbonate, CaCO3)

Chert (Septarian or Nodular variety) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Septarian or Nodular variety)

Microcrystalline Quartz (SiO2)

Red Sandstone (Arenite (primarily Quartz with Hematite cement)) — sedimentary

Red Sandstone

Arenite (primarily Quartz with Hematite cement)

Sandstone (Arenite (SiO2 main component)) — sedimentary

Sandstone

Arenite (SiO2 main component)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Titanium Coated Kyanite (Aura Kyanite) (Aluminosilicate (Al2SiO5) with a Titanium-Niobium vacuum-deposited coating) — metamorphic

Titanium Coated Kyanite (Aura Kyanite)

Aluminosilicate (Al2SiO5) with a Titanium-Niobium vacuum-deposited coating

Petrified Wood (Silicified Wood (SiO2)) — fossil

Petrified Wood

Silicified Wood (SiO2)

Basalt (Extrusive Igneous Basalt (contains Plagioclase Feldspar and Pyroxene)) — igneous

Basalt

Extrusive Igneous Basalt (contains Plagioclase Feldspar and Pyroxene)

Schist (Schist) — metamorphic

Schist

Schist

Quartzite (Iron-stained) (Metamorphosed Quartz-rich Rock (SiO2)) — metamorphic

Quartzite (Iron-stained)

Metamorphosed Quartz-rich Rock (SiO2)

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

Quartz (River Pebble)

Silicon Dioxide (SiO2)

Sandstone (River Cobble) (Sandstone (primarily composed of silica, SiO2)) — sedimentary

Sandstone (River Cobble)

Sandstone (primarily composed of silica, SiO2)

Sandstone (with Arkose characteristics) (Clastic sedimentary rock (SiO2 with KAlSi3O8)) — sedimentary

Sandstone (with Arkose characteristics)

Clastic sedimentary rock (SiO2 with KAlSi3O8)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Vesicular Basalt (Basalt (a mafic extrusive igneous rock)) — igneous

Vesicular Basalt

Basalt (a mafic extrusive igneous rock)

Sandstone with Iron Staining (Arenite (SiO2 based with Fe2O3 staining)) — sedimentary

Sandstone with Iron Staining

Arenite (SiO2 based with Fe2O3 staining)

Desert Rose (Baryte or Gypsum Rose) (Baryte (BaSO4) or Gypsum (CaSO4·2H2O)) — mineral

Desert Rose (Baryte or Gypsum Rose)

Baryte (BaSO4) or Gypsum (CaSO4·2H2O)

Chalcedony in Matrix (likely Agatized Coral or Chert) (Silicon Dioxide (SiO2)) — sedimentary

Chalcedony in Matrix (likely Agatized Coral or Chert)

Silicon Dioxide (SiO2)

Quartz Geode in Sedimentary Matrix (Silicon Dioxide (SiO2) within a limestone/dolostone host) — mineral

Quartz Geode in Sedimentary Matrix

Silicon Dioxide (SiO2) within a limestone/dolostone host

Planet Earth (Gaia (Silicate Terrestrial Planet)) — metamorphic

Planet Earth

Gaia (Silicate Terrestrial Planet)

Ironstone Concretion / Hematite Nodules (Ferruginous Sedimentary Rock (primarily Hematite Fe2O3 and Goethite FeO(OH))) — sedimentary

Ironstone Concretion / Hematite Nodules

Ferruginous Sedimentary Rock (primarily Hematite Fe2O3 and Goethite FeO(OH))

Sandstone (Weathered Pebble) (Arenite (primarily SiO2)) — sedimentary

Sandstone (Weathered Pebble)

Arenite (primarily SiO2)

Chert (Jasper/Flint variant) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Jasper/Flint variant)

Silicon Dioxide (SiO2)

Anthracite Coal (Anthracite (Carbon-based organic sedimentary/metamorphic rock)) — metamorphic

Anthracite Coal

Anthracite (Carbon-based organic sedimentary/metamorphic rock)

Conglomerate (Conglomerate (clastic sedimentary rock)) — sedimentary

Conglomerate

Conglomerate (clastic sedimentary rock)

Conglomerate (Conglomerate (clastic sedimentary rock)) — sedimentary

Conglomerate

Conglomerate (clastic sedimentary rock)

Blue Agate (Tumbled and Dyed) (Silicon Dioxide (SiO2) with likely organic dyes) — mineral

Blue Agate (Tumbled and Dyed)

Silicon Dioxide (SiO2) with likely organic dyes

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

Diamond (Princess Cut)

Carbon (C)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Greywacke (Lithic Sandstone (Greywacke)) — sedimentary

Greywacke

Lithic Sandstone (Greywacke)