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

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

Chert / Jasper

Silicon Dioxide (SiO2)

Schist (Chlorite/Mica Schist) — metamorphic

Schist

Chlorite/Mica Schist

Shale (Sedimentary rock composed of clay minerals and quartz) — sedimentary

Shale

Sedimentary rock composed of clay minerals and quartz

Tumbled blue glassy mineral, possibly sodalite or blue aventurine (Identification uncertain; likely sodalite (Na₈Al₆Si₆O₂₄Cl₂) or blue-dyed quartz/slag-like material) — mineral

Tumbled blue glassy mineral, possibly sodalite or blue aventurine

Identification uncertain; likely sodalite (Na₈Al₆Si₆O₂₄Cl₂) or blue-dyed quartz/slag-like material

Sandstone (Arenite (composed primarily of SiO2)) — sedimentary

Sandstone

Arenite (composed primarily of SiO2)

Chert (Yellow/Tan Variety) (Chert (SiO2)) — sedimentary

Chert (Yellow/Tan Variety)

Chert (SiO2)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Quartz / Common Opal Transition (Silicon Dioxide (SiO2)) — mineral

Quartz / Common Opal Transition

Silicon Dioxide (SiO2)

Sandstone (Quartzose Sandstone) (Clastic sedimentary rock (SiO2 major component)) — sedimentary

Sandstone (Quartzose Sandstone)

Clastic sedimentary rock (SiO2 major component)

Asphalt (Bituminous Rock) (Natural bitumen or Bituminous limestone/sandstone) — sedimentary

Asphalt (Bituminous Rock)

Natural bitumen or Bituminous limestone/sandstone

Sandstone (Ferruginous) (Arenite (Fe-rich)) — sedimentary

Sandstone (Ferruginous)

Arenite (Fe-rich)

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Corundum (Sapphire / Raw Sapphire) (Aluminum Oxide (Al2O3)) — gemstone

Corundum (Sapphire / Raw Sapphire)

Aluminum Oxide (Al2O3)

Granitic Gravel (Granite (Quartz, Feldspar, and Mica mixture)) — igneous

Granitic Gravel

Granite (Quartz, Feldspar, and Mica mixture)

Sandstone (Arenite (Siliclastic sedimentary rock)) — sedimentary

Sandstone

Arenite (Siliclastic sedimentary rock)

Schist (Mica Schist (Metamorphic Rock)) — metamorphic

Schist

Mica Schist (Metamorphic Rock)

Rough Diamond (Diamond (Native Carbon, C)) — mineral

Rough Diamond

Diamond (Native Carbon, C)

Jasper (Jasper (Silicon Dioxide, SiO2)) — sedimentary

Jasper

Jasper (Silicon Dioxide, SiO2)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Chert (Flint) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Flint)

Silicon Dioxide (SiO2)

Sandstone (Iron-stained) (Arenite (composed primarily of SiO2 with Fe2O3 staining)) — sedimentary

Sandstone (Iron-stained)

Arenite (composed primarily of SiO2 with Fe2O3 staining)

Sandstone (Quartzose Sandstone) (Clastic Sedimentary Rock (primarily SiO2)) — sedimentary

Sandstone (Quartzose Sandstone)

Clastic Sedimentary Rock (primarily SiO2)

Brecciated Jasper (Silicon Dioxide (SiO2) with iron impurities) — sedimentary

Brecciated Jasper

Silicon Dioxide (SiO2) with iron impurities

Agate (Silicon Dioxide (SiO2) - variety of Chalcedony) — mineral

Agate

Silicon Dioxide (SiO2) - variety of Chalcedony

Quartz Geode (Silicon Dioxide (SiO2) in Geode form) — sedimentary

Quartz Geode

Silicon Dioxide (SiO2) in Geode form

Chert (Iron-stained) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Iron-stained)

Microcrystalline Quartz (SiO2)

Sandstone (Sedimentary Rock (Quartz Arenite)) — sedimentary

Sandstone

Sedimentary Rock (Quartz Arenite)

Brown Sandstone (Arenite (primarily Quartz and Feldspar, with Iron Oxide cement)) — sedimentary

Brown Sandstone

Arenite (primarily Quartz and Feldspar, with Iron Oxide cement)

Mica Schist (Mica Schist (predominantly Muscovite KAl2(AlSi3O10)(OH)2 and Quartz SiO2)) — metamorphic

Mica Schist

Mica Schist (predominantly Muscovite KAl2(AlSi3O10)(OH)2 and Quartz SiO2)

Quartz (variety of colors) (SiO2 (Silicon Dioxide)) — Mineral

Quartz (variety of colors)

SiO2 (Silicon Dioxide)

Anthracite Coal (Anthracite (Carbon rank grade)) — sedimentary

Anthracite Coal

Anthracite (Carbon rank grade)

Sandstone (Quartz-rich) (Arenite (primarily SiO2)) — sedimentary

Sandstone (Quartz-rich)

Arenite (primarily SiO2)

Sandstone (Sandstone (SiO2 dominant, with minor feldspar and clay minerals)) — sedimentary

Sandstone

Sandstone (SiO2 dominant, with minor feldspar and clay minerals)

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

Chert (Yellow Jasper/Flint)

Microcrystalline Quartz (SiO2)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Travertine (often colloquially called Tufa) (Chemical Sedimentary Calcium Carbonate (CaCO3)) — sedimentary

Travertine (often colloquially called Tufa)

Chemical Sedimentary Calcium Carbonate (CaCO3)

Sandstone (Quartzose Sandstone) (Arenite (SiO2)) — sedimentary

Sandstone (Quartzose Sandstone)

Arenite (SiO2)

Weathered dark rock fragment (Indeterminate; possibly basalt or iron-rich volcanic rock) — igneous

Weathered dark rock fragment

Indeterminate; possibly basalt or iron-rich volcanic rock

Red jasper-bearing breccia (probable) (Microcrystalline quartz (SiO₂) with iron-oxide coloration, in a brecciated host) — mineral

Red jasper-bearing breccia (probable)

Microcrystalline quartz (SiO₂) with iron-oxide coloration, in a brecciated host

Fossilized coral or porous marine limestone (Likely fossil coral (Scleractinia), composed mainly of calcite/aragonite (CaCO₃)) — fossil

Fossilized coral or porous marine limestone

Likely fossil coral (Scleractinia), composed mainly of calcite/aragonite (CaCO₃)

Granite (Intrusive Felsic Igneous Rock) — igneous

Granite

Intrusive Felsic Igneous Rock

Scoria (Red Lava Rock) (Scoria) — igneous

Scoria (Red Lava Rock)

Scoria