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

Banded Chert (Flint/Jasper variety) (Microcrystalline Quartz (SiO2)) — sedimentary

Banded Chert (Flint/Jasper variety)

Microcrystalline Quartz (SiO2)

Garnet (Almandine) (Almandine (Fe3Al2(SiO4)3)) — Mineral

Garnet (Almandine)

Almandine (Fe3Al2(SiO4)3)

Pegmatite (Igneous Pegmatite) — igneous

Pegmatite

Igneous Pegmatite

Chalcedony (Silicon Dioxide (SiO2)) — mineral

Chalcedony

Silicon Dioxide (SiO2)

Blue Slag Glass (Anthropogenic Amorphous Silicon Dioxide) — mineral

Blue Slag Glass

Anthropogenic Amorphous Silicon Dioxide

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Green Jasper (Chert) (Silicon Dioxide (SiO2)) — sedimentary

Green Jasper (Chert)

Silicon Dioxide (SiO2)

Chalcedony (Common Agate) (Cryptocrystalline Quartz (SiO2)) — mineral

Chalcedony (Common Agate)

Cryptocrystalline Quartz (SiO2)

Coal (Anthracite) (Anthracite (Metamorphosed Coal)) — sedimentary

Coal (Anthracite)

Anthracite (Metamorphosed Coal)

Banded Iron Formation (BIF) / Red Jasper with Hematite (Ferruginous Chert (primarily Quartz [SiO2] and Hematite [Fe2O3])) — sedimentary

Banded Iron Formation (BIF) / Red Jasper with Hematite

Ferruginous Chert (primarily Quartz [SiO2] and Hematite [Fe2O3])

Sandstone Beach Pebble (Clastic Sedimentary Rock (primarily Quartz with Iron Oxide coating)) — sedimentary

Sandstone Beach Pebble

Clastic Sedimentary Rock (primarily Quartz with Iron Oxide coating)

Chalcedony (Agate Pebble) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (Agate Pebble)

Silicon Dioxide (SiO2)

Crushed Stone (Gravel/Aggregates) (Crushed rock aggregate (varied composition including Granite, Limestone, and Quartz)) — sedimentary and igneous (mixed)

Crushed Stone (Gravel/Aggregates)

Crushed rock aggregate (varied composition including Granite, Limestone, and Quartz)

sedimentary and igneous (mixed)

Anthracite (Anthracite Coal) — sedimentary

Anthracite

Anthracite Coal

Green Fluorite (likely synthetic or heat-treated for jewelry) (Calcium Fluoride (CaF2)) — mineral

Green Fluorite (likely synthetic or heat-treated for jewelry)

Calcium Fluoride (CaF2)

Garnet Schist (Garnetiferous Micaceous Schist) — metamorphic

Garnet Schist

Garnetiferous Micaceous Schist

Satin Spar (Selenite Gypsum Sphere) (Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O) — mineral

Satin Spar (Selenite Gypsum Sphere)

Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O

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

Chert (specifically Flint or Jasper variant)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

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

Chert Nodule (Flint)

Microcrystalline Quartz (SiO2)

Red Sandstone (Arenite (Ferruginous Sandstone)) — sedimentary

Red Sandstone

Arenite (Ferruginous Sandstone)

Quartz Pebble (Geode-like) (Silicon Dioxide (SiO2)) — Mineral

Quartz Pebble (Geode-like)

Silicon Dioxide (SiO2)

Bauxite (Alumina-rich rock (consisting of Gibbsite, Boehmite, and Diaspore)) — sedimentary

Bauxite

Alumina-rich rock (consisting of Gibbsite, Boehmite, and Diaspore)

Chert (Jasper variety) (Microcrystalline quartz (SiO2)) — sedimentary

Chert (Jasper variety)

Microcrystalline quartz (SiO2)

Yellow Jasper (Jasper (Silicon Dioxide with Iron Hydroxide impurities, SiO2 + FeO(OH))) — sedimentary

Yellow Jasper

Jasper (Silicon Dioxide with Iron Hydroxide impurities, SiO2 + FeO(OH))

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

Garnet Schist (Almandine Garnet in Mica Schist (Fe3Al2(SiO4)3)) — metamorphic

Garnet Schist

Almandine Garnet in Mica Schist (Fe3Al2(SiO4)3)

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

Agate

Chalcedony (Silicon Dioxide, SiO2)

Quartz Geode (Silicon dioxide (SiO2)) — mineral

Quartz Geode

Silicon dioxide (SiO2)

Banded Gneiss (River Cobble) (Gneiss (a high-grade metamorphic rock)) — metamorphic

Banded Gneiss (River Cobble)

Gneiss (a high-grade metamorphic rock)

Chert (Grey-Green Var.) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Grey-Green Var.)

Silicon Dioxide (SiO2)

Quartz River Pebbles (Silicon Dioxide (SiO2)) — sedimentary

Quartz River Pebbles

Silicon Dioxide (SiO2)

Likely petrified wood or silicified fossil fragment (Silicified wood; predominantly microcrystalline quartz (SiO₂)) — fossil

Likely petrified wood or silicified fossil fragment

Silicified wood; predominantly microcrystalline quartz (SiO₂)

Garnet (Garnet Group (Silicate Minerals)) — mineral

Garnet

Garnet Group (Silicate Minerals)

Red Shale (Lutite (primarily composed of Hydrous Aluminum Silicates with Hematite staining)) — sedimentary

Red Shale

Lutite (primarily composed of Hydrous Aluminum Silicates with Hematite staining)

Polished orbicular jasper (Orbicular jasper; microcrystalline quartz (SiO₂) with hematite/goethite and other silicate inclusions) — sedimentary

Polished orbicular jasper

Orbicular jasper; microcrystalline quartz (SiO₂) with hematite/goethite and other silicate inclusions

Chert (specifically Red Chert/Jasper variety) (Silicon Dioxide (SiO2)) — sedimentary

Chert (specifically Red Chert/Jasper variety)

Silicon Dioxide (SiO2)

Red Sandstone (Arenite (Iron-rich Sandstone)) — sedimentary

Red Sandstone

Arenite (Iron-rich Sandstone)

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

Marble

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

Blue Kyanite (Kyanite (Al2SiO5)) — mineral

Blue Kyanite

Kyanite (Al2SiO5)

Botryoidal Chalcedony (Agate) (Silicon Dioxide (SiO2)) — mineral

Botryoidal Chalcedony (Agate)

Silicon Dioxide (SiO2)

Banded Sandstone (River Pebble) (Clastic Sedimentary Rock (SiO2 with impurities)) — sedimentary

Banded Sandstone (River Pebble)

Clastic Sedimentary Rock (SiO2 with impurities)

Chert (specifically a nodule with Chalcendony/Agate banding) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (specifically a nodule with Chalcendony/Agate banding)

Microcrystalline Quartz (SiO2)