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 (Ferruginous / River-worn Cobble) (Sandstone (SiO2 with iron oxide impurities)) — sedimentary

Sandstone (Ferruginous / River-worn Cobble)

Sandstone (SiO2 with iron oxide impurities)

Gneiss (Banded Gneiss) (Gneiss) — metamorphic

Gneiss (Banded Gneiss)

Gneiss

Vesicular Rhyolite (Extrusive igneous rock (high-silica rhyolite)) — igneous

Vesicular Rhyolite

Extrusive igneous rock (high-silica rhyolite)

Faceted Quartz (Rock Crystal) (Crystalline Silicon Dioxide (SiO2)) — gemstone

Faceted Quartz (Rock Crystal)

Crystalline Silicon Dioxide (SiO2)

Bituminous Coal (Bituminous coal (Carbonaceous sedimentary rock)) — sedimentary

Bituminous Coal

Bituminous coal (Carbonaceous sedimentary rock)

Polished agate/jasper pebble (Microcrystalline quartz (chalcedony), SiO₂, with likely iron-oxide and clay inclusions) — mineral

Polished agate/jasper pebble

Microcrystalline quartz (chalcedony), SiO₂, with likely iron-oxide and clay inclusions

Sandstone (likely Arkosic or Lithic) (Clastic Sedimentary Rock (composed mostly of SiO2)) — sedimentary

Sandstone (likely Arkosic or Lithic)

Clastic Sedimentary Rock (composed mostly of SiO2)

Biotite Schist (Biotite Mica Schist (K(Mg,Fe)3AlSi3O10(OH,F)2)) — metamorphic

Biotite Schist

Biotite Mica Schist (K(Mg,Fe)3AlSi3O10(OH,F)2)

Chert Breccia (Brecciated Chert (Sedimentary Rock)) — sedimentary

Chert Breccia

Brecciated Chert (Sedimentary Rock)

Microcrystalline Quartz (Chert/Agate) (Silicon Dioxide (SiO2)) — sedimentary

Microcrystalline Quartz (Chert/Agate)

Silicon Dioxide (SiO2)

Sandstone (Greywacke) (Arenite / Wacke (SiO2 + varied clasts)) — sedimentary

Sandstone (Greywacke)

Arenite / Wacke (SiO2 + varied clasts)

Andesite (Andesite (Intermediate Extrusive Volcanic Rock)) — igneous

Andesite

Andesite (Intermediate Extrusive Volcanic Rock)

Pumice (Pumice (Volcanic Rock)) — igneous

Pumice

Pumice (Volcanic Rock)

Sandstone (Ferruginous) (Arenite (with Iron Oxide cement)) — sedimentary

Sandstone (Ferruginous)

Arenite (with Iron Oxide cement)

Sandstone (Arenite (SiO2 based with various mineral cements)) — sedimentary

Sandstone

Arenite (SiO2 based with various mineral cements)

Conglomerate (Conglomerate (clastic sedimentary rock)) — sedimentary

Conglomerate

Conglomerate (clastic sedimentary rock)

Chert (specifically Flint or Jasper variant) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (specifically Flint or Jasper variant)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Sandstone (Sedimentary Rock (Quartz arenite)) — sedimentary

Sandstone

Sedimentary Rock (Quartz arenite)

Sandstone (Ferruginous) (Clastic Sedimentary Rock (Litharenite)) — sedimentary

Sandstone (Ferruginous)

Clastic Sedimentary Rock (Litharenite)

Conglomerate (Conglomerate (clastic sedimentary rock type)) — sedimentary

Conglomerate

Conglomerate (clastic sedimentary rock type)

Unakite (likely) (Epidote–pink feldspar–quartz rock; commonly termed unakite) — metamorphic

Unakite (likely)

Epidote–pink feldspar–quartz rock; commonly termed unakite

Rough Emerald (Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)) — mineral

Rough Emerald

Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)

Sandstone (Calcareous Sandstone) (Calcareous Sandstone (primarily SiO2 with CaCO3 cement)) — sedimentary

Sandstone (Calcareous Sandstone)

Calcareous Sandstone (primarily SiO2 with CaCO3 cement)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

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

Chert (Nodule)

Silicon Dioxide (SiO2)

Chert (Flint) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Flint)

Microcrystalline Quartz (SiO2)

Desert Rose (Baryte or Gypsum (Selenite) with Sand Inclusions (BaSO4 or CaSO4·2H2O)) — mineral

Desert Rose

Baryte or Gypsum (Selenite) with Sand Inclusions (BaSO4 or CaSO4·2H2O)

Sandstone (Arenite (primarily composed of SiO2 - Silicon Dioxide)) — sedimentary

Sandstone

Arenite (primarily composed of SiO2 - Silicon Dioxide)

Gastropod Fossil (Class Gastropoda (fossilized)) — fossil

Gastropod Fossil

Class Gastropoda (fossilized)

Basalt (Extrusive mafic igneous rock) — igneous

Basalt

Extrusive mafic igneous rock

Quartz Geode (Cracked Open Fragment) (Silicon Dioxide (SiO2)) — mineral

Quartz Geode (Cracked Open Fragment)

Silicon Dioxide (SiO2)

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

Red Sandstone

Arenite (primarily Quartz with Hematite cement)

Desert Rose (Gypsum Variety) (Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O) — mineral

Desert Rose (Gypsum Variety)

Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O

Obsidian (Apache Tear) (Amorphous Volcanic Glass (SiO2)) — igneous

Obsidian (Apache Tear)

Amorphous Volcanic Glass (SiO2)

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

Chert (Flint)

Silicon Dioxide (SiO2)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Chert (and associated river cobbles) (Silicon dioxide (SiO2)) — sedimentary

Chert (and associated river cobbles)

Silicon dioxide (SiO2)

Sandstone (Yellow/Siltstone variant) (Arenite (SiO2 primarily)) — sedimentary

Sandstone (Yellow/Siltstone variant)

Arenite (SiO2 primarily)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)