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

Sandstone (Clastic sedimentary rock (Quartz arenite)) — sedimentary

Sandstone

Clastic sedimentary rock (Quartz arenite)

Note regarding image quality — Indeterminate

Note regarding image quality

Petrified Wood (Silicified Wood (primarily SiO2)) — sedimentary

Petrified Wood

Silicified Wood (primarily SiO2)

Tumbled green aventurine (probable) (Quartzite dominated by quartz (SiO₂), with green mica/fuchsite or chlorite inclusions) — mineral

Tumbled green aventurine (probable)

Quartzite dominated by quartz (SiO₂), with green mica/fuchsite or chlorite inclusions

Red Sandstone (Arenite (high iron oxide content)) — sedimentary

Red Sandstone

Arenite (high iron oxide content)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Sandstone (Sedimentary Rock (Quartzose Sandstone)) — sedimentary

Sandstone

Sedimentary Rock (Quartzose Sandstone)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Gray Agate (Chalcedony (Silicon Dioxide, SiO2)) — mineral

Gray Agate

Chalcedony (Silicon Dioxide, SiO2)

Diorite (Diorite (intermediate plutonic rock)) — igneous

Diorite

Diorite (intermediate plutonic rock)

Quartz (Chert/Chalcedony variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Chert/Chalcedony variety)

Silicon Dioxide (SiO2)

Red Sandstone (Iron-Rich) (Arenite (Fe2O3)) — sedimentary

Red Sandstone (Iron-Rich)

Arenite (Fe2O3)

Sandstone (Arenite (predominantly SiO2)) — sedimentary

Sandstone

Arenite (predominantly SiO2)

Greenstone (River Pebble) (Metabasalt / Greenschist) — metamorphic

Greenstone (River Pebble)

Metabasalt / Greenschist

Weathered greenish rock fragment (Indeterminate; possibly epidote- or chlorite-bearing altered silicate rock) — mineral

Weathered greenish rock fragment

Indeterminate; possibly epidote- or chlorite-bearing altered silicate rock

Basalt with Quartz/Feldspar Vein (Amygdaloidal Basalt with Plutonic intrusion (SiO2/KAlSi3O8)) — igneous

Basalt with Quartz/Feldspar Vein

Amygdaloidal Basalt with Plutonic intrusion (SiO2/KAlSi3O8)

Red Sandstone (Arenite (Ferruginous Sandstone)) — sedimentary

Red Sandstone

Arenite (Ferruginous Sandstone)

Agate (Agate (a cryptocrystalline variety of Quartz, SiO₂)) — Mineral

Agate

Agate (a cryptocrystalline variety of Quartz, SiO₂)

Sandstone (likely Quartzose) (Arenite (SiO2 principal mineral)) — sedimentary

Sandstone (likely Quartzose)

Arenite (SiO2 principal mineral)

Rounded gray river pebble, likely fine-grained sandstone or siltstone (Indeterminate clastic sedimentary rock; possibly quartz-rich sandstone or siltstone) — sedimentary

Rounded gray river pebble, likely fine-grained sandstone or siltstone

Indeterminate clastic sedimentary rock; possibly quartz-rich sandstone or siltstone

Sandstone (Quartzose / Feldspathic Sandstone) (Arenite (SiO2 principal matrix)) — sedimentary

Sandstone (Quartzose / Feldspathic Sandstone)

Arenite (SiO2 principal matrix)

Turquoise (Turquoise (CuAl6(PO4)4(OH)8·4H2O)) — mineral

Turquoise

Turquoise (CuAl6(PO4)4(OH)8·4H2O)

Poppy Jasper (Microcrystalline Quartz (SiO2) with hematite and other inclusions) — sedimentary

Poppy Jasper

Microcrystalline Quartz (SiO2) with hematite and other inclusions

Ironstone Concretion (Boxwork) (Siderite-Limonite Concretion (FeO(OH)·nH2O)) — sedimentary

Ironstone Concretion (Boxwork)

Siderite-Limonite Concretion (FeO(OH)·nH2O)

Quartz Druze on Matrix (Silicon Dioxide (SiO2)) — mineral

Quartz Druze on Matrix

Silicon Dioxide (SiO2)

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

Chert (and Flint)

Silicon Dioxide (SiO2)

Kyanite (Kyanite (Al2SiO5)) — mineral

Kyanite

Kyanite (Al2SiO5)

Chert (within Limestone) (Silicon Dioxide (SiO2) in Calcium Carbonate (CaCO3) matrix) — sedimentary

Chert (within Limestone)

Silicon Dioxide (SiO2) in Calcium Carbonate (CaCO3) matrix

Anthracite Coal (Anthracite (Carbon-based metamorphic rock)) — metamorphic

Anthracite Coal

Anthracite (Carbon-based metamorphic rock)

Banded Gneiss (with Quartz Vein) (Gneiss (Metamorphic rock of varying mineralogy)) — metamorphic

Banded Gneiss (with Quartz Vein)

Gneiss (Metamorphic rock of varying mineralogy)

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

Sandstone (Quartzose Sandstone)

Arenite (primarily SiO2)

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

Sandstone (Red Sandstone)

Arenite (primarily Quartz with Hematite cement)

Chert (Flint) (Chert (Microcrystalline or cryptocrystalline Quartz, SiO2)) — sedimentary

Chert (Flint)

Chert (Microcrystalline or cryptocrystalline Quartz, SiO2)

Sandstone (Clastic sedimentary rock (Quartz arenite or Arkose)) — sedimentary

Sandstone

Clastic sedimentary rock (Quartz arenite or Arkose)

Basalt (Basalt (Mainly Plagioclase Feldspar and Pyroxene)) — igneous

Basalt

Basalt (Mainly Plagioclase Feldspar and Pyroxene)

Turquoise (Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]) — mineral

Turquoise

Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Serpentine pendant (Serpentinite; chiefly antigorite, lizardite, or chrysotile Mg₃Si₂O₅(OH)₄) — metamorphic

Serpentine pendant

Serpentinite; chiefly antigorite, lizardite, or chrysotile Mg₃Si₂O₅(OH)₄

Schist (Mica Schist) — metamorphic

Schist

Mica Schist

Diamond (C) — gemstone

Diamond

C

Conglomerate (Conglomerate (clastic sedimentary rock)) — sedimentary

Conglomerate

Conglomerate (clastic sedimentary rock)