Rock Identifier

Category

Sedimentary (Chemical)

Browse sedimentary (chemical) specimens identified by the Rock Identifier community.

Learn about Sedimentary (Chemical) in the encyclopedia

Conglomerate

Conglomerate

Quartzite Sandstone

Quartzite Sandstone

Breccia

Breccia

Ironstone

Ironstone

Coal

Coal

Limestone

Limestone

Kambaba Jasper

Kambaba Jasper

Asphalt Rock

Asphalt Rock

Sapropel

Sapropel

Mudstone

Mudstone

Claystone

Claystone

Siltstone

Siltstone

Snakeskin Jasper (Microcrystalline Quartz (SiO2) with iron inclusions) — sedimentary

Snakeskin Jasper

Microcrystalline Quartz (SiO2) with iron inclusions

Chert (often called Flint or Jasper based on color) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (often called Flint or Jasper based on color)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Pyritized Ammonite (Ammonitida (replaced by Iron Disulfide, FeS2)) — sedimentary

Pyritized Ammonite

Ammonitida (replaced by Iron Disulfide, FeS2)

Chert (often called Flint or River Stone) (Microcrystalline alpha-quartz (SiO2)) — sedimentary

Chert (often called Flint or River Stone)

Microcrystalline alpha-quartz (SiO2)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Chert (River Pebble) (Chert (Silica, SiO2)) — sedimentary

Chert (River Pebble)

Chert (Silica, SiO2)

Chert (Flint variety) (Chert (Cryptocrystalline Quartz, SiO2)) — sedimentary

Chert (Flint variety)

Chert (Cryptocrystalline Quartz, SiO2)

Bauxite (Bauxite (Al2O3·2H2O)) — sedimentary

Bauxite

Bauxite (Al2O3·2H2O)

Chert (including Flint and Jasper variants) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (including Flint and Jasper variants)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Coal (Bituminous) (Sedimentary carbonaceous rock) — sedimentary

Coal (Bituminous)

Sedimentary carbonaceous rock

Chert (specifically Brown Chert or Jasper) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (specifically Brown Chert or Jasper)

Microcrystalline Quartz (SiO2)

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

Chert / Jasper

Silicon Dioxide (SiO2)

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

Chert (specifically Gray Chert/Flint)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Limonite (Iron Ore) (Goethite and related iron hydroxides (FeO(OH)·nH2O)) — mineral

Limonite (Iron Ore)

Goethite and related iron hydroxides (FeO(OH)·nH2O)

Banded Chert (Silicon Dioxide (SiO2)) — sedimentary

Banded Chert

Silicon Dioxide (SiO2)

Chert (Nodule) (Microcrystalline quartz (SiO2)) — sedimentary

Chert (Nodule)

Microcrystalline quartz (SiO2)

Limestone (Limestone (Calcium Carbonate, CaCO3)) — sedimentary

Limestone

Limestone (Calcium Carbonate, CaCO3)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

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

Sandstone (Banded)

Clastic Sedimentary Rock (primarily SiO2)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Chert (often called Jasper or Flint) (Microcrystalline Silica (SiO2)) — sedimentary

Chert (often called Jasper or Flint)

Microcrystalline Silica (SiO2)

Chert (with Limestone matrix) (Silicon dioxide (SiO2)) — sedimentary

Chert (with Limestone matrix)

Silicon dioxide (SiO2)

Chert (Silica Pebble) (Chert (Microcrystalline Quartz, SiO2)) — sedimentary

Chert (Silica Pebble)

Chert (Microcrystalline Quartz, SiO2)

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

Chert (Flint)

Silicon Dioxide (SiO2)

Limestone Pebble (Sedimentary Calcium Carbonate (CaCO3)) — sedimentary

Limestone Pebble

Sedimentary Calcium Carbonate (CaCO3)

Chert (Jasper) (Sedimentary Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Jasper)

Sedimentary Cryptocrystalline Quartz (SiO2)

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

Chert (Flint)

Microcrystalline Quartz (SiO2)

Limonite-stained Gossan/Ironstone (Goethite and Hematite (Fe2O3 • nH2O)) — sedimentary

Limonite-stained Gossan/Ironstone

Goethite and Hematite (Fe2O3 • nH2O)

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

Chert (Nodule)

Microcrystalline Quartz (SiO2)

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

Chert (Flint)

Silicon Dioxide (SiO2)

Banded Chert (Jasper/Agate) (Microcrystalline Quartz (SiO2)) — sedimentary

Banded Chert (Jasper/Agate)

Microcrystalline Quartz (SiO2)

Tufa (Calcareous Tufa (CaCO3)) — sedimentary

Tufa

Calcareous Tufa (CaCO3)

Chert (Flint Nodules) (Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Flint Nodules)

Cryptocrystalline Quartz (SiO2)

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

Chert (var. Jasper)

Microcrystalline Quartz (SiO2)

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

Chert (Flint)

Microcrystalline Quartz (SiO2)

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

Chert (Flint)

Microcrystalline Quartz (SiO2)

Chert / Greenstone (Silicon Dioxide (SiO2) with impurities) — sedimentary

Chert / Greenstone

Silicon Dioxide (SiO2) with impurities

Banded Calcite (often sold as 'Mexican Onyx') (Calcite (Calcium Carbonate, CaCO3)) — sedimentary

Banded Calcite (often sold as 'Mexican Onyx')

Calcite (Calcium Carbonate, CaCO3)

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

Chert (Jasper/Flint variety)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

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

Chert (Jasper/Flint variety)

Microcrystalline Quartz (SiO2)

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

Chert (Flint)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

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

Chert (Jasper variety)

Silicon Dioxide (SiO2)