Rock Identifier

Category

Limestone

Browse limestone specimens identified by the Rock Identifier community.

Learn about Limestone in the encyclopedia

Limestone

Lithographic Limestone

Oolitic Limestone

Oolitic Limestone

Fossiliferous Limestone

Fossiliferous Limestone

Chalky Limestone

Crinoidal Limestone

Crinoidal Limestone

Shelly Limestone

Shelly Limestone

Micrite

Calcirudite

Coral Rock

Coquina

Chalk

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

Chert (White Flint)

Microcrystalline Quartz (SiO2)

Polished fossiliferous limestone (Bioclastic limestone, commonly called fossil limestone or marble-like limestone) — sedimentary

Polished fossiliferous limestone

Bioclastic limestone, commonly called fossil limestone or marble-like limestone

Weathered limestone (Calcite-rich limestone, chiefly calcium carbonate (CaCO₃)) — sedimentary

Weathered limestone

Calcite-rich limestone, chiefly calcium carbonate (CaCO₃)

Crinoid Fossil Limestone (Crinoidal Limestone (Calcite / CaCO3)) — sedimentary

Crinoid Fossil Limestone

Crinoidal Limestone (Calcite / CaCO3)

Likely weathered chert or siliceous limestone fragment (Microcrystalline quartz (SiO₂), possibly with calcite (CaCO₃)) — sedimentary

Likely weathered chert or siliceous limestone fragment

Microcrystalline quartz (SiO₂), possibly with calcite (CaCO₃)

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)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Limestone (Sedimentary rock composed mainly of calcite (CaCO3)) — sedimentary

Limestone

Sedimentary rock composed mainly of calcite (CaCO3)

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)

Limestone (Sedimentary Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Sedimentary Calcium Carbonate (CaCO3)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Limestone (Sedimentary Rock (Primarily Calcite: CaCO3)) — sedimentary

Limestone

Sedimentary Rock (Primarily Calcite: CaCO3)

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)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Limestone (Sedimentary rock composed primarily of Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Sedimentary rock composed primarily of Calcium Carbonate (CaCO3)

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)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Chalky limestone (Micritic limestone, predominantly calcite (CaCO₃)) — sedimentary

Chalky limestone

Micritic limestone, predominantly calcite (CaCO₃)

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

Limestone (River Pebble)

Calcium Carbonate (CaCO3)

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

Limestone (Pebble)

Calcium Carbonate (CaCO3)

Banded limestone or marble fragment (Calcite-rich carbonate rock; likely banded marble (CaCO₃)) — metamorphic

Banded limestone or marble fragment

Calcite-rich carbonate rock; likely banded marble (CaCO₃)

Likely weathered limestone or calcitic marble (Calcite (CaCO₃), probably micritic limestone; marble is a possible metamorphic alternative) — sedimentary

Likely weathered limestone or calcitic marble

Calcite (CaCO₃), probably micritic limestone; marble is a possible metamorphic alternative

Weathered limestone or calcarenite fragment (Micritic limestone, likely calcite-dominated (CaCO₃)) — sedimentary

Weathered limestone or calcarenite fragment

Micritic limestone, likely calcite-dominated (CaCO₃)

Limestone with Chert Nodules (Sedimentary Calcium Carbonate (CaCO3) with Microcrystalline Silica (SiO2) inclusions) — sedimentary

Limestone with Chert Nodules

Sedimentary Calcium Carbonate (CaCO3) with Microcrystalline Silica (SiO2) inclusions

Quartzite Cobble (Meta-quartzite (SiO2)) — metamorphic

Quartzite Cobble

Meta-quartzite (SiO2)

Limestone (Calcite-dominated limestone (CaCO₃), possibly impure or fossiliferous limestone) — sedimentary

Limestone

Calcite-dominated limestone (CaCO₃), possibly impure or fossiliferous limestone

Lapis Lazuli (Lapis Lazuli (Complex aggregate of Lazurite, Calcite, and Pyrite)) — metamorphic

Lapis Lazuli

Lapis Lazuli (Complex aggregate of Lazurite, Calcite, and Pyrite)

Lapis Lazuli (Complex silicate rock (lazurite, pyrite, calcite)) — gemstone

Lapis Lazuli

Complex silicate rock (lazurite, pyrite, calcite)

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

Chert (Flint)

Chert (Microcrystalline Quartz, SiO2)

Limestone (CaCO3 (Limestone)) — sedimentary

Limestone

CaCO3 (Limestone)

Limestone (Limestone (CaCO3)) — sedimentary

Limestone

Limestone (CaCO3)

Limestone (Calcite-rich carbonate rock (primarily CaCO₃)) — sedimentary

Limestone

Calcite-rich carbonate rock (primarily CaCO₃)