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

Coquina (Bioclastic Limestone (CaCO3)) — sedimentary

Coquina

Bioclastic Limestone (CaCO3)

Microcrystalline Limestone (Limestone (CaCO3 with impurities)) — sedimentary

Microcrystalline Limestone

Limestone (CaCO3 with impurities)

Coquina (Biogenic Limestone (Calcitic)) — sedimentary

Coquina

Biogenic Limestone (Calcitic)

Coquina / Fossiliferous Limestone (Bioclastic Limestone (CaCO3)) — sedimentary

Coquina / Fossiliferous Limestone

Bioclastic Limestone (CaCO3)

Fossiliferous Limestone (Biogenic Limestone (CaCO3)) — sedimentary

Fossiliferous Limestone

Biogenic Limestone (CaCO3)

Fossiliferous Limestone (Limestone (CaCO3 with Bioclasts)) — sedimentary

Fossiliferous Limestone

Limestone (CaCO3 with Bioclasts)

Fossiliferous Limestone (Biomicrite / Limestone with fossils) — sedimentary

Fossiliferous Limestone

Biomicrite / Limestone with fossils

Coquina (Limestone) (Bioclastic Limestone (CaCO3)) — sedimentary

Coquina (Limestone)

Bioclastic Limestone (CaCO3)

Marble (Metamorphosed Limestone (CaCO3)) — metamorphic

Marble

Metamorphosed Limestone (CaCO3)

White Marble (Metamorphic Limestone (CaCO3)) — metamorphic

White Marble

Metamorphic Limestone (CaCO3)

Coquina / Fossiliferous Limestone (Fossiliferous Limestone / CaCO3) — sedimentary

Coquina / Fossiliferous Limestone

Fossiliferous Limestone / CaCO3

Coquina Limestone (Coquina (Biogenic Limestone)) — sedimentary

Coquina Limestone

Coquina (Biogenic Limestone)

Marble (Sculptural Statue) (Metamorphic Limestone (CaCO3)) — metamorphic

Marble (Sculptural Statue)

Metamorphic Limestone (CaCO3)

Travertine (Tufa) (Chemical Limestone (CaCO3)) — sedimentary

Travertine (Tufa)

Chemical Limestone (CaCO3)

Oolitic Limestone (Oolitic Limestone (CaCO3)) — sedimentary

Oolitic Limestone

Oolitic Limestone (CaCO3)

Marble (Metamorphosed Limestone/Dolomite) — metamorphic

Marble

Metamorphosed Limestone/Dolomite

Siltstone or Limestone Beach Pebble (Siltstone / Micritic Limestone) — sedimentary

Siltstone or Limestone Beach Pebble

Siltstone / Micritic Limestone

Limestone with Fossil inclusions (Fossiliferous Limestone (CaCO3)) — sedimentary

Limestone with Fossil inclusions

Fossiliferous Limestone (CaCO3)

Fossiliferous Limestone (Biogenic Limestone (CaCO3)) — sedimentary

Fossiliferous Limestone

Biogenic Limestone (CaCO3)

Fossiliferous Limestone (Bioclastic Limestone (CaCO3)) — sedimentary

Fossiliferous Limestone

Bioclastic Limestone (CaCO3)

Fossiliferous Limestone (with Crinoids/Coral) (Fossiliferous Limestone (CaCO3)) — sedimentary

Fossiliferous Limestone (with Crinoids/Coral)

Fossiliferous Limestone (CaCO3)

Picasso Stone (Metamorphic Limestone (Marble)) — metamorphic

Picasso Stone

Metamorphic Limestone (Marble)

Coquina (Coquina (a type of limestone)) — Sedimentary

Coquina

Coquina (a type of limestone)

Coquina (Coquina (Limestone variant)) — sedimentary

Coquina

Coquina (Limestone variant)

Coquina / Shell Limestone (Coquina (Bioclastic Limestone)) — sedimentary

Coquina / Shell Limestone

Coquina (Bioclastic Limestone)

Fossiliferous Limestone (Coquina / Shell Limestone) (Biogenic Limestone (CaCO3)) — sedimentary

Fossiliferous Limestone (Coquina / Shell Limestone)

Biogenic Limestone (CaCO3)

Coquina (Coquina (Bioclastic Limestone)) — sedimentary

Coquina

Coquina (Bioclastic Limestone)

Travertine (Tufa limestone (CaCO3)) — sedimentary

Travertine

Tufa limestone (CaCO3)

Fossiliferous Limestone (Fossiliferous Limestone (CaCO3)) — sedimentary

Fossiliferous Limestone

Fossiliferous Limestone (CaCO3)

Coquina (Biogenic Limestone (Coquina)) — sedimentary

Coquina

Biogenic Limestone (Coquina)

Fossiliferous Limestone (Fossiliferous Limestone (CaCO3)) — sedimentary

Fossiliferous Limestone

Fossiliferous Limestone (CaCO3)

Coquina (Bioclastic Limestone (CaCO3)) — sedimentary

Coquina

Bioclastic Limestone (CaCO3)

Likely weathered limestone or marble fragment (Calcite-rich carbonate rock; likely limestone (CaCO₃), possibly recrystallized marble) — sedimentary

Likely weathered limestone or marble fragment

Calcite-rich carbonate rock; likely limestone (CaCO₃), possibly recrystallized marble

Fossil Coral in Limestone (Scleractinia (Anthomastodon or similar) in Sedimentary Calcarenite) — fossil

Fossil Coral in Limestone

Scleractinia (Anthomastodon or similar) in Sedimentary Calcarenite

Beige limestone tile (Limestone, primarily calcite (CaCO₃); exact variety cannot be determined from the image) — sedimentary

Beige limestone tile

Limestone, primarily calcite (CaCO₃); exact variety cannot be determined from the image

Fossiliferous Limestone or Shale (Biomicrite (if limestone) or Fossiliferous Shale) — sedimentary

Fossiliferous Limestone or Shale

Biomicrite (if limestone) or Fossiliferous Shale

Weathered chert or silicified limestone (Microcrystalline quartz (SiO₂), likely chert formed by silicification of carbonate rock) — sedimentary

Weathered chert or silicified limestone

Microcrystalline quartz (SiO₂), likely chert formed by silicification of carbonate rock

Fossil-bearing limestone (possible shell fossil) (Fossiliferous limestone, composed mainly of calcite (CaCO₃)) — sedimentary

Fossil-bearing limestone (possible shell fossil)

Fossiliferous limestone, composed mainly of calcite (CaCO₃)

Fossilized shell-bearing limestone (Bioclastic limestone, likely molluscan/coquina limestone (calcite, CaCO₃)) — fossil

Fossilized shell-bearing limestone

Bioclastic limestone, likely molluscan/coquina limestone (calcite, CaCO₃)

Polished fossiliferous limestone, likely fossil shell fragment (Calcite-rich limestone (CaCO₃), possibly bioclastic/coquina limestone) — fossil

Polished fossiliferous limestone, likely fossil shell fragment

Calcite-rich limestone (CaCO₃), possibly bioclastic/coquina limestone

Weathered fossiliferous limestone (Calcitic limestone, primarily CaCO₃; possible bioclastic fossil limestone) — sedimentary

Weathered fossiliferous limestone

Calcitic limestone, primarily CaCO₃; possible bioclastic fossil limestone

Weathered fossiliferous limestone (Calcite-rich limestone (CaCO₃), possibly bioclastic or micritic limestone) — sedimentary

Weathered fossiliferous limestone

Calcite-rich limestone (CaCO₃), possibly bioclastic or micritic limestone