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

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Fossilized Oyster Shell (Gryphaea or Crassostrea fossil (Calcium Carbonate, CaCO3)) — sedimentary

Fossilized Oyster Shell

Gryphaea or Crassostrea fossil (Calcium Carbonate, CaCO3)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Hag Stone (Calcareous sedimentary rock (often Chert, Flint, or Limestone)) — sedimentary

Hag Stone

Calcareous sedimentary rock (often Chert, Flint, or Limestone)

Limonite Concretion (Ironstone) (Limonite (FeO(OH)·nH2O) with Goethite and Hematite) — sedimentary

Limonite Concretion (Ironstone)

Limonite (FeO(OH)·nH2O) with Goethite and Hematite

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Chert (Jasper or Flint variant) (Chert (composed of microcrystalline quartz, SiO2)) — sedimentary

Chert (Jasper or Flint variant)

Chert (composed of microcrystalline quartz, SiO2)

Limonite (Yellow Ochre) (Limonite (an amorphous mixture of hydrated iron oxides, primarily FeO(OH)·nH2O)) — mineral

Limonite (Yellow Ochre)

Limonite (an amorphous mixture of hydrated iron oxides, primarily FeO(OH)·nH2O)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Yellow Ocher (Limonite) (Limonite (Hydrated Iron Oxide) - FeO(OH)·nH2O) — mineral

Yellow Ocher (Limonite)

Limonite (Hydrated Iron Oxide) - FeO(OH)·nH2O

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Limestone (Limestone (CaCO3)) — sedimentary

Limestone

Limestone (CaCO3)

Limestone (Grey and White specimens) (Calcium Carbonate (CaCO3)) — sedimentary

Limestone (Grey and White specimens)

Calcium Carbonate (CaCO3)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

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

Chert (Nodule)

Silicon Dioxide (SiO2)

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

Chert Pebble (Jasper variant)

Microcrystalline Quartz (SiO2)

Chert (Quartz Variety) (Microcrystalline Silica (SiO2)) — sedimentary

Chert (Quartz Variety)

Microcrystalline Silica (SiO2)

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

Chert (Flint)

Chert (Microcrystalline or Cryptocrystalline Quartz, SiO2)

Chert (Nodule) (Chert (SiO2)) — sedimentary

Chert (Nodule)

Chert (SiO2)

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

Yellow Chert (Jasper)

Microcrystalline Quartz (SiO2)

Chert (specifically Chalcedony or Flint variation) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (specifically Chalcedony or Flint variation)

Microcrystalline Quartz (SiO2)

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

Red Chert (Jasper)

Silicon Dioxide (SiO2)

Chert (and its variety Flint) (Silicon Dioxide (SiO2) - Microcrystalline or cryptocrystalline Quartz) — sedimentary

Chert (and its variety Flint)

Silicon Dioxide (SiO2) - Microcrystalline or cryptocrystalline Quartz

Chert (Gravel specimen) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Gravel specimen)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

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

Chert / Pink Chert

Silicon Dioxide (SiO2)

Pink Chert (Brecciated Jasmine/Jasper) (Silicon Dioxide (SiO2)) — sedimentary

Pink Chert (Brecciated Jasmine/Jasper)

Silicon Dioxide (SiO2)

Chert (Jasper/Flint variant) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Chert (Jasper/Flint variant)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Chert / Flint (Cryptocrystalline Quartz (Silicon Dioxide, SiO2)) — sedimentary

Chert / Flint

Cryptocrystalline Quartz (Silicon Dioxide, SiO2)

Blue Onyx (Dyed Agate) (Cryptocrystalline Quartz (SiO2) with artificial pigment) — mineral

Blue Onyx (Dyed Agate)

Cryptocrystalline Quartz (SiO2) with artificial pigment

Hematite (Iron(III) oxide (Fe2O3)) — Mineral

Hematite

Iron(III) oxide (Fe2O3)

Chalcedony (specifically Agate or Flint) (Silicon Dioxide (SiO₂)) — Mineral

Chalcedony (specifically Agate or Flint)

Silicon Dioxide (SiO₂)

Honey Calcite (Yellow Calcite) (Calcium Carbonate (CaCO3)) — mineral

Honey Calcite (Yellow Calcite)

Calcium Carbonate (CaCO3)

Orange Calcite Sphere (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite Sphere

Calcium Carbonate (CaCO3)

Apatite (Fluorapatite (Ca5(PO4)3F)) — mineral

Apatite

Fluorapatite (Ca5(PO4)3F)

Quartzite (Rounded Pebble) (Quartzite (predominantly SiO2)) — metamorphic

Quartzite (Rounded Pebble)

Quartzite (predominantly SiO2)

Marble (Recrystallized Calcite (CaCO3)) — metamorphic

Marble

Recrystallized Calcite (CaCO3)

Limonite Pseudomorph after Pyrite (Limonite (FeO(OH)·nH2O) replacing Pyrite (FeS2)) — mineral

Limonite Pseudomorph after Pyrite

Limonite (FeO(OH)·nH2O) replacing Pyrite (FeS2)

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

Chert (specifically Red Chert or Jasper)

Microcrystalline Quartz (SiO2)

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

Red Chert (Jasper)

Microcrystalline Quartz (SiO2)