Rock Identifier

Category

Sedimentary Like (Industrial Composite)

Browse sedimentary like (industrial composite) specimens identified by the Rock Identifier community.

Learn about Sedimentary Like (Industrial Composite) in the encyclopedia

Adirondack Garnet

Adirondack Garnet

Conglomerate

Blue Line Jasper

Lime Green Tourmaline

Lime Green Tourmaline

Quartzite Sandstone

Quartzite Sandstone

Breccia

Ironstone

Sea Sediment Jasper

Argillite

Needle Tourmaline

Needle Tourmaline

Calc-Silicate Rock

Calc-Silicate Rock

Color-Change Tourmaline

Color-Change Tourmaline

Anthracite Coal (Anthracite) — sedimentary

Anthracite Coal

Anthracite

Chalcedony (Common Opal or Agate variant) (Silicon Dioxide (SiO₂)) — mineral

Chalcedony (Common Opal or Agate variant)

Silicon Dioxide (SiO₂)

Satin Spar (often sold as Selenite) (Gypsum (Calcium Sulfate Dihydrate, CaSO4·2H2O)) — mineral

Satin Spar (often sold as Selenite)

Gypsum (Calcium Sulfate Dihydrate, CaSO4·2H2O)

Sandstone (Red/Brown) (Arenite (SiO2 dominated with iron oxides)) — sedimentary

Sandstone (Red/Brown)

Arenite (SiO2 dominated with iron oxides)

Sandstone (Sandstone (clastic sedimentary rock), primarily SiO2) — sedimentary

Sandstone

Sandstone (clastic sedimentary rock), primarily SiO2

River Stone (Limestone) (Sedimentary Calcium Carbonate (CaCO3)) — sedimentary

River Stone (Limestone)

Sedimentary Calcium Carbonate (CaCO3)

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

Quartz Geode Fragment

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Muscovite Mica Schist (Metamorphic rock rich in muscovite mica (KAl2(AlSi3O10)(F,OH)2)) — metamorphic

Muscovite Mica Schist

Metamorphic rock rich in muscovite mica (KAl2(AlSi3O10)(F,OH)2)

Asphalt Conglomerate (Artificial Bituminous Conglomerate) — sedimentary

Asphalt Conglomerate

Artificial Bituminous Conglomerate

Asphalt aggregate (crushed stone in bitumen) (Artificial composite; predominantly crushed granite, basalt, limestone, and/or recycled aggregate bound by bitumen) — sedimentary

Asphalt aggregate (crushed stone in bitumen)

Artificial composite; predominantly crushed granite, basalt, limestone, and/or recycled aggregate bound by bitumen

Sandstone with Foliose Lichen (Arenite (Rock matrix) with Xanthoparmelia or Flavoparmelia (Lichen genus)) — sedimentary

Sandstone with Foliose Lichen

Arenite (Rock matrix) with Xanthoparmelia or Flavoparmelia (Lichen genus)

Bauxite (Aluminum ore (mixture of gibbsite Al(OH)3, boehmite γ-AlO(OH), and diaspore α-AlO(OH))) — sedimentary

Bauxite

Aluminum ore (mixture of gibbsite Al(OH)3, boehmite γ-AlO(OH), and diaspore α-AlO(OH))

Decorative orb of likely sodalite-bearing rock or dyed stone (Most consistent with sodalite-rich nepheline syenite or a blue-and-white composite; exact identification requires testing) — mineral

Decorative orb of likely sodalite-bearing rock or dyed stone

Most consistent with sodalite-rich nepheline syenite or a blue-and-white composite; exact identification requires testing

Red Sandstone (Sandstone (lithic arenite or arkose with iron oxide)) — sedimentary

Red Sandstone

Sandstone (lithic arenite or arkose with iron oxide)

Shale (Beach-worn) (Laminated Pelite (primarily clay minerals and quartz)) — sedimentary

Shale (Beach-worn)

Laminated Pelite (primarily clay minerals and quartz)

Sandstone (Arenite (SiO2 + various cementing minerals)) — sedimentary

Sandstone

Arenite (SiO2 + various cementing minerals)

Garnet Schist (Almandine Garnet Schist (Fe3Al2(SiO4)3 in Schistose matrix)) — metamorphic

Garnet Schist

Almandine Garnet Schist (Fe3Al2(SiO4)3 in Schistose matrix)

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

Sandstone (Quartzose)

Arenite (primarily SiO2)

Silicified oyster fossil (Fossil oyster shell, commonly Ostrea or Crassostrea, replaced or encrusted by chalcedony/quartz) — fossil

Silicified oyster fossil

Fossil oyster shell, commonly Ostrea or Crassostrea, replaced or encrusted by chalcedony/quartz

Yellow Calcite (Calcium Carbonate (CaCO3)) — mineral

Yellow Calcite

Calcium Carbonate (CaCO3)

Garnet Schist (Almandine Garnet in Mica Schist) — metamorphic

Garnet Schist

Almandine Garnet in Mica Schist

Glauconitic Sandstone (Glauconitic Quartz Arenite (with K,Mg,Fe,Al silicate hydroxide)) — sedimentary

Glauconitic Sandstone

Glauconitic Quartz Arenite (with K,Mg,Fe,Al silicate hydroxide)

Basalt (Basalt) — Igneous

Basalt

Basalt

Bauxite (Bauxite (mixture including Gibbsite Al(OH)3, Boehmite γ-AlO(OH), and Diaspore α-AlO(OH))) — sedimentary

Bauxite

Bauxite (mixture including Gibbsite Al(OH)3, Boehmite γ-AlO(OH), and Diaspore α-AlO(OH))

Polished Bloodstone (likely dyed agate/jasper) (Cryptocrystalline quartz, SiO₂; commonly chalcedony with iron-oxide inclusions) — gemstone

Polished Bloodstone (likely dyed agate/jasper)

Cryptocrystalline quartz, SiO₂; commonly chalcedony with iron-oxide inclusions

Red Sandstone (Arenite (Ferruginous Sandstone)) — sedimentary

Red Sandstone

Arenite (Ferruginous Sandstone)

Agate (Dyed) or composite stone (SiO2) — mineral

Agate (Dyed) or composite stone

SiO2

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

Sandstone (likely Quartzose Sandstone)

Arenite (SiO2 predominantly)

Banded Iron Formation (Banded Iron Formation (BIF)) — sedimentary

Banded Iron Formation

Banded Iron Formation (BIF)

Red Sandstone (Arenite (Ferruginous Sandstone)) — sedimentary

Red Sandstone

Arenite (Ferruginous Sandstone)

Pink Satin Spar (Satin Spar Selenite Dyed) (Gypsum (CaSO4·2H2O)) — mineral

Pink Satin Spar (Satin Spar Selenite Dyed)

Gypsum (CaSO4·2H2O)

Anthracite Coal (Anthracite (Metamorphosed Coal)) — sedimentary

Anthracite Coal

Anthracite (Metamorphosed Coal)

Conglomerate (Conglomerate (Clastic sedimentary rock)) — sedimentary

Conglomerate

Conglomerate (Clastic sedimentary rock)

Glauconite Sandstone (Glauconitic Sandstone (K(Fe,Al)2(Si,Al)4O10(OH)2)) — sedimentary

Glauconite Sandstone

Glauconitic Sandstone (K(Fe,Al)2(Si,Al)4O10(OH)2)

Sandstone (Pebble) (Sandstone (SiO2 with iron oxide impurities)) — sedimentary

Sandstone (Pebble)

Sandstone (SiO2 with iron oxide impurities)

Sandstone (Yellow/Tan Sandstone) (Arenite (primarily Quartz, SiO2)) — sedimentary

Sandstone (Yellow/Tan Sandstone)

Arenite (primarily Quartz, SiO2)

Polished multicolored stone bead bracelet (Likely dyed or treated agate/jasper, chiefly microcrystalline quartz (SiO₂)) — mineral

Polished multicolored stone bead bracelet

Likely dyed or treated agate/jasper, chiefly microcrystalline quartz (SiO₂)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

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

Quartz Druze on Matrix

Silicon Dioxide (SiO2)

Sandstone (Ferruginous) (Arenite (composed primarily of SiO2 with Fe2O3 cement)) — sedimentary

Sandstone (Ferruginous)

Arenite (composed primarily of SiO2 with Fe2O3 cement)

Red Sandstone (Arenite (typically with iron oxide/hematite cement)) — sedimentary

Red Sandstone

Arenite (typically with iron oxide/hematite cement)