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

Sandstone (Arenite (SiO2 principal composition)) — sedimentary

Sandstone

Arenite (SiO2 principal composition)

Sandstone with Iron Staining (Arenite (SiO2 with FeO(OH) impurities)) — sedimentary

Sandstone with Iron Staining

Arenite (SiO2 with FeO(OH) impurities)

Coal (Anthracite) (Anthracite coal (Carbon C)) — sedimentary

Coal (Anthracite)

Anthracite coal (Carbon C)

Mica Schist (with Muscovite) (Muscovite/Quartz Schist (KAl2(AlSi3O10)(OH)2)) — metamorphic

Mica Schist (with Muscovite)

Muscovite/Quartz Schist (KAl2(AlSi3O10)(OH)2)

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

Bituminous Coal

Bituminous coal (Carbonaceous sedimentary rock)

Chert (Quartz Variety) (Microcrystalline Silicon Dioxide (SiO2)) — sedimentary

Chert (Quartz Variety)

Microcrystalline Silicon Dioxide (SiO2)

Agate (Chert/Chalcedony) (Silicon Dioxide (SiO2)) — mineral

Agate (Chert/Chalcedony)

Silicon Dioxide (SiO2)

Malachite cabochon or polished bead (Malachite, Cu₂CO₃(OH)₂) — mineral

Malachite cabochon or polished bead

Malachite, Cu₂CO₃(OH)₂

Yellow Calcite (Calcium Carbonate (CaCO3)) — mineral

Yellow Calcite

Calcium Carbonate (CaCO3)

Chert (often called Jasper or Flint in this color variety) (Silicon Dioxide (SiO2)) — sedimentary

Chert (often called Jasper or Flint in this color variety)

Silicon Dioxide (SiO2)

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)

Chert (Gravel Fragment) (Silicon dioxide (SiO2)) — sedimentary

Chert (Gravel Fragment)

Silicon dioxide (SiO2)

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

Chert (Flint/Jasper)

Silicon Dioxide (SiO2)

Quartz / Agate Nodule (Silicon Dioxide (SiO2)) — mineral

Quartz / Agate Nodule

Silicon Dioxide (SiO2)

Sandstone (Arenite (Clastic Sedimentary Rock)) — sedimentary

Sandstone

Arenite (Clastic Sedimentary Rock)

Marble (Recrystallized Calcite (CaCO3) or Dolomite (CaMg(CO3)2)) — metamorphic

Marble

Recrystallized Calcite (CaCO3) or Dolomite (CaMg(CO3)2)

Shale (possibly Carbonaceous or Oil Shale) (Argillaceous Sedimentary Rock) — sedimentary

Shale (possibly Carbonaceous or Oil Shale)

Argillaceous Sedimentary Rock

Red Sandstone (Ferruginous Sandstone (SiO2 dominated with Fe2O3)) — sedimentary

Red Sandstone

Ferruginous Sandstone (SiO2 dominated with Fe2O3)

Ironstone (possibly Bog Iron or Limonite) (Goethite-rich Ironstone (FeO(OH))) — sedimentary

Ironstone (possibly Bog Iron or Limonite)

Goethite-rich Ironstone (FeO(OH))

Green Calcite (Calcium Carbonate (CaCO3)) — mineral

Green Calcite

Calcium Carbonate (CaCO3)

Yellow Chalcedony (Silicon Dioxide (SiO2)) — mineral

Yellow Chalcedony

Silicon Dioxide (SiO2)

Limestone (Sedimentary rock composed primarily of calcium carbonate (CaCO3)) — sedimentary

Limestone

Sedimentary rock composed primarily of calcium carbonate (CaCO3)

Ironstone Concretion / Hematite Nodules (Ferruginous Sedimentary Rock (primarily Hematite Fe2O3 and Goethite FeO(OH))) — sedimentary

Ironstone Concretion / Hematite Nodules

Ferruginous Sedimentary Rock (primarily Hematite Fe2O3 and Goethite FeO(OH))

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

Sandstone (Ferruginous)

Arenite (composed primarily of SiO2 with Fe2O3 cement)

Anthracite Coal (Anthracite (Carbon-rich metamorphic coal)) — sedimentary

Anthracite Coal

Anthracite (Carbon-rich metamorphic coal)

Limestone (Travertine/Tufa variant) (Calcium Carbonate (CaCO3)) — sedimentary

Limestone (Travertine/Tufa variant)

Calcium Carbonate (CaCO3)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Anthracite Coal (Anthracite (Metamorphosed Carbon)) — sedimentary

Anthracite Coal

Anthracite (Metamorphosed Carbon)

Bituminous Coal (Humic coal (Carboniferous fossil fuel)) — sedimentary

Bituminous Coal

Humic coal (Carboniferous fossil fuel)

Bauxite (Bauxite (Mixture of Al(OH)3, AlO(OH), and Fe2O3)) — sedimentary

Bauxite

Bauxite (Mixture of Al(OH)3, AlO(OH), and Fe2O3)

Garnet in Host Rock (Garnet Group (A3B2(SiO4)3)) — metamorphic

Garnet in Host Rock

Garnet Group (A3B2(SiO4)3)

Possible fossilized shell or fossil fragment (Indeterminate; possibly a small brachiopod or gastropod fossil in mineralized matrix) — fossil

Possible fossilized shell or fossil fragment

Indeterminate; possibly a small brachiopod or gastropod fossil in mineralized matrix

Sandstone (Arenite (specifically Quartz Arenite)) — sedimentary

Sandstone

Arenite (specifically Quartz Arenite)

Anthracite Coal (Anthracite) — sedimentary

Anthracite Coal

Anthracite

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Bauxite (Aluminium ore consisting largely of the minerals gibbsite Al(OH)3, boehmite γ-AlO(OH) and diaspore α-AlO(OH)) — sedimentary

Bauxite

Aluminium ore consisting largely of the minerals gibbsite Al(OH)3, boehmite γ-AlO(OH) and diaspore α-AlO(OH)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Chert (Common Opal/Jasper variant) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Common Opal/Jasper variant)

Silicon Dioxide (SiO2)

Sandstone (with Iron Staining) (Clastic Sedimentary Rock (primarily SiO2)) — sedimentary

Sandstone (with Iron Staining)

Clastic Sedimentary Rock (primarily SiO2)

Sandstone (Arenite (SiO2 based clastic rock)) — sedimentary

Sandstone

Arenite (SiO2 based clastic rock)