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

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)

Diorite (Diorite (intermediate intrusive igneous rock)) — igneous

Diorite

Diorite (intermediate intrusive igneous rock)

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

Chert (Nodule)

Silicon Dioxide (SiO2)

Scoria (Red Lava Rock) (Scoria) — igneous

Scoria (Red Lava Rock)

Scoria

Basalt with Quartz/Feldspar Inclusions (Amygdaloidal or Porphyritic Mafic Volcanic Rock with Siliceous Veining) — igneous

Basalt with Quartz/Feldspar Inclusions

Amygdaloidal or Porphyritic Mafic Volcanic Rock with Siliceous Veining

Chert (Jasper-like) (SiO2 (Cryptocrystalline Quartz)) — Sedimentary

Chert (Jasper-like)

SiO2 (Cryptocrystalline Quartz)

Sandstone (Arenite (SiO2 principal composition)) — sedimentary

Sandstone

Arenite (SiO2 principal composition)

Sandstone (Ferruginous) (Arenite (with high iron oxide content)) — sedimentary

Sandstone (Ferruginous)

Arenite (with high iron oxide content)

Hag Stone (Flint / Chert / Limestone concretion with a natural hole) — sedimentary

Hag Stone

Flint / Chert / Limestone concretion with a natural hole

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

Sandstone (Fossiliferous)

Clastic Sedimentary Rock (primarily SiO2)

Chalcedony (Cryptocrystalline Quartz (SiO2)) — mineral

Chalcedony

Cryptocrystalline Quartz (SiO2)

Iron Ore (Hematite/Goethite) (Ironstone (Fe2O3 / FeO(OH))) — sedimentary

Iron Ore (Hematite/Goethite)

Ironstone (Fe2O3 / FeO(OH))

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

Sandstone

Clastic sedimentary rock (Quartz arenite/Arkose)

Ironstone (with Limonite/Goethite) (Ferruginous Sedimentary Rock (contains Limonite FeO(OH)·nH2O and Hematite Fe2O3)) — sedimentary

Ironstone (with Limonite/Goethite)

Ferruginous Sedimentary Rock (contains Limonite FeO(OH)·nH2O and Hematite Fe2O3)

Garnet-Mica Schist (Garnetiferous Porphyroblastic Schist) — metamorphic

Garnet-Mica Schist

Garnetiferous Porphyroblastic Schist

Fulgurite (Lechatelierite (Silica glass), typically SiO2) — mineraloid

Fulgurite

Lechatelierite (Silica glass), typically SiO2

Quartz with Sericite and Cinnabar (Silicon Dioxide (SiO2) with muscovite/sericite and mercury sulfide (HgS)) — mineral

Quartz with Sericite and Cinnabar

Silicon Dioxide (SiO2) with muscovite/sericite and mercury sulfide (HgS)

Travertine (or Calcareous Tufa) (Calcium Carbonate (CaCO3)) — sedimentary

Travertine (or Calcareous Tufa)

Calcium Carbonate (CaCO3)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

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

Sandstone (Quartzose)

Arenite (primarily SiO2)

Basalt (Mafic Igneous Rock) — igneous

Basalt

Mafic Igneous Rock

Diamond (as set in a metal alloy ring) (Diamond (Pure Carbon, C)) — mineral

Diamond (as set in a metal alloy ring)

Diamond (Pure Carbon, C)

Red Sandstone (Arenite (Fe2O3 enriched)) — sedimentary

Red Sandstone

Arenite (Fe2O3 enriched)

Basalt (Greenstone/Water-worn Pebble) (Basalt (containing Chlorite/Epidote)) — igneous

Basalt (Greenstone/Water-worn Pebble)

Basalt (containing Chlorite/Epidote)

Olivine (Peridot) (Magnesium Iron Silicate ((Mg, Fe)2SiO4)) — mineral

Olivine (Peridot)

Magnesium Iron Silicate ((Mg, Fe)2SiO4)

Sandstone (Arenite (Sedimentary rock)) — sedimentary

Sandstone

Arenite (Sedimentary rock)

Sandstone with Quartz Vein (Arenite with hydrothermal quartz intrusion) — sedimentary

Sandstone with Quartz Vein

Arenite with hydrothermal quartz intrusion

Quartzite River Rock (Quartzite (SiO2)) — metamorphic

Quartzite River Rock

Quartzite (SiO2)

Chert (specifically Gray/Black Chert) (Chert (Microcrystalline or Cryptocrystalline Quartz, SiO2)) — sedimentary

Chert (specifically Gray/Black Chert)

Chert (Microcrystalline or Cryptocrystalline Quartz, SiO2)

Diorite (River Cobble) (Intermediate plutonic igneous rock) — igneous

Diorite (River Cobble)

Intermediate plutonic igneous rock

Basalt with Mineral Vein (Cobble) (Basalt (with likely Quartz/Calcite vein)) — Igneous

Basalt with Mineral Vein (Cobble)

Basalt (with likely Quartz/Calcite vein)

Granite Pebble (Granite (composed primarily of Quartz SiO2, Feldspar KAlSi3O8, and Biotite/Hornblende)) — igneous

Granite Pebble

Granite (composed primarily of Quartz SiO2, Feldspar KAlSi3O8, and Biotite/Hornblende)

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

Emerald (Rough)

Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)

Polished banded jasper pebble (Jasper, a microcrystalline quartz variety (SiO₂), with iron-oxide and clay/mineral impurities) — mineral

Polished banded jasper pebble

Jasper, a microcrystalline quartz variety (SiO₂), with iron-oxide and clay/mineral impurities

Sandstone (Siltstone or Fine-grained) (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone (Siltstone or Fine-grained)

Clastic sedimentary rock (primarily SiO2)

Sandstone (with potential iron-oxide weathering) (Arenite (SiO2 based)) — sedimentary

Sandstone (with potential iron-oxide weathering)

Arenite (SiO2 based)

Schist (Mica Schist (formula variable based on mineral content, typically containing [K,Al,Fe,Mg,Si,O,H])) — metamorphic

Schist

Mica Schist (formula variable based on mineral content, typically containing [K,Al,Fe,Mg,Si,O,H])

River Pebble (likely Quartzite or Chert) (Silicon Dioxide (SiO2) crystal conglomerate) — sedimentary or metamorphic

River Pebble (likely Quartzite or Chert)

Silicon Dioxide (SiO2) crystal conglomerate

sedimentary or metamorphic

Limonite-stained Chert (Silicon Dioxide (SiO2) with Hydrated Iron Oxide (FeO(OH)·nH2O)) — sedimentary

Limonite-stained Chert

Silicon Dioxide (SiO2) with Hydrated Iron Oxide (FeO(OH)·nH2O)

Amazonite (Microcline feldspar (KAlSi₃O₈), green variety) — mineral

Amazonite

Microcline feldspar (KAlSi₃O₈), green variety

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

Chert (Jasper)

Microcrystalline Quartz (SiO2)

Conglomerate (Conglomerate (Clastic sedimentary rock)) — sedimentary

Conglomerate

Conglomerate (Clastic sedimentary rock)