Rock Identifier

Category

Sedimentary (If Limestone) Or Metamorphic (If Marble)

Browse sedimentary (if limestone) or metamorphic (if marble) specimens identified by the Rock Identifier community.

Learn about Sedimentary (If Limestone) Or Metamorphic (If Marble) in the encyclopedia

Marble

Limestone

Cipollino Marble

Cipollino Marble

Parian Marble

Carrara Marble

Green Marble

Ruin Marble

Pentelic Marble

Onyx Marble

Crinoidal Limestone

Crinoidal Limestone

Lithographic Limestone

Fossiliferous Limestone

Fossiliferous Limestone

Optical Calcite (Iceland Spar) (Calcite (Calcium Carbonate, CaCO3)) — mineral

Optical Calcite (Iceland Spar)

Calcite (Calcium Carbonate, CaCO3)

Pink Calcite (Calcium Carbonate (CaCO3)) — mineral

Pink Calcite

Calcium Carbonate (CaCO3)

Green Onyx (Commercial Marble/Travertine) (CaCO3 (Calcite / Banded Limestone)) — metamorphic

Green Onyx (Commercial Marble/Travertine)

CaCO3 (Calcite / Banded Limestone)

Calcite-rich limestone (Limestone, predominantly calcite (CaCO₃), possibly recrystallized) — sedimentary

Calcite-rich limestone

Limestone, predominantly calcite (CaCO₃), possibly recrystallized

Fossiliferous limestone fragment (Limestone, chiefly calcite (CaCO₃), possibly containing shell or coral fossil material) — sedimentary

Fossiliferous limestone fragment

Limestone, chiefly calcite (CaCO₃), possibly containing shell or coral fossil material

Honey Calcite (Calcium Carbonate (CaCO3)) — mineral

Honey Calcite

Calcium Carbonate (CaCO3)

Polished green calcite (often marketed as “onyx marble” or “Pakistan onyx”) (Calcite, CaCO₃) — mineral

Polished green calcite (often marketed as “onyx marble” or “Pakistan onyx”)

Calcite, CaCO₃

Ruby (Corundum in Ring Setting) (Corundum (Al2O3:Cr)) — gemstone

Ruby (Corundum in Ring Setting)

Corundum (Al2O3:Cr)

Banded Calcite (Onyx Marble) (Calcite (CaCO3) / Travertine) — sedimentary

Banded Calcite (Onyx Marble)

Calcite (CaCO3) / Travertine

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Vesuvianite (Idocrase) (Vesuvianite, Ca10(Mg,Fe)2Al4(SiO4)5(Si2O7)2(OH)4) — mineral

Vesuvianite (Idocrase)

Vesuvianite, Ca10(Mg,Fe)2Al4(SiO4)5(Si2O7)2(OH)4

Quartz Geode (Silicon Dioxide (SiO2)) — mineral

Quartz Geode

Silicon Dioxide (SiO2)

Decorative natural-stone tile assortment, likely marble and breccia (Calcite-rich marble and polymict carbonate breccia; exact varieties cannot be confirmed from the image) — metamorphic

Decorative natural-stone tile assortment, likely marble and breccia

Calcite-rich marble and polymict carbonate breccia; exact varieties cannot be confirmed from the image

Rough Green Calcite (Calcite (Calcium Carbonate, CaCO3)) — mineral

Rough Green Calcite

Calcite (Calcium Carbonate, CaCO3)

Quartzite (Quartzite) — Metamorphic

Quartzite

Quartzite

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Lapis Lazuli (Lazurite-dominant rock, (Na,Ca)8(AlSiO4)6(SO4,S,Cl)2) — metamorphic

Lapis Lazuli

Lazurite-dominant rock, (Na,Ca)8(AlSiO4)6(SO4,S,Cl)2

Tumbled limestone or calcite-rich stone (Limestone, predominantly calcite (CaCO₃); exact identification is uncertain from the photograph) — sedimentary

Tumbled limestone or calcite-rich stone

Limestone, predominantly calcite (CaCO₃); exact identification is uncertain from the photograph

Banded Gneiss (Gneiss (High-grade Regional Metamorphic Rock)) — metamorphic

Banded Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Rounded metamorphic pebble, likely quartzite or gneiss (Quartz-rich metamorphic rock; possibly foliated quartzite or gneiss) — metamorphic

Rounded metamorphic pebble, likely quartzite or gneiss

Quartz-rich metamorphic rock; possibly foliated quartzite or gneiss

Lapis Lazuli (Lazurite-dominated metamorphic rock ((Na,Ca)8(AlSiO4)6(SO4,S,Cl)2)) — metamorphic

Lapis Lazuli

Lazurite-dominated metamorphic rock ((Na,Ca)8(AlSiO4)6(SO4,S,Cl)2)

Lapis Lazuli (Lapis Lazuli (Metamorphic rock containing lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, calcite, and pyrite)) — metamorphic

Lapis Lazuli

Lapis Lazuli (Metamorphic rock containing lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, calcite, and pyrite)

Lapis Lazuli (Lazurite-rich metamorphic rock ((Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)) — metamorphic

Lapis Lazuli

Lazurite-rich metamorphic rock ((Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Quartzite (Quartzite (primarily SiO2)) — Metamorphic

Quartzite

Quartzite (primarily SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite pebble (Quartzite (Silicon Dioxide, SiO2)) — metamorphic

Quartzite pebble

Quartzite (Silicon Dioxide, SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Banded Calcite (Onyx Marble / Travertine) (Calcium Carbonate (CaCO3)) — sedimentary

Banded Calcite (Onyx Marble / Travertine)

Calcium Carbonate (CaCO3)

Quartzite (Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite

Metamorphic Quartzite (SiO2)

Sodalite (Sodalite (Na8Al6Si6O24Cl2)) — mineral

Sodalite

Sodalite (Na8Al6Si6O24Cl2)

Quartzite Pebble (Quartzite (SiO2)) — metamorphic

Quartzite Pebble

Quartzite (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Tumbled calcite (likely honey/white calcite) (Calcite, calcium carbonate (CaCO₃)) — mineral

Tumbled calcite (likely honey/white calcite)

Calcite, calcium carbonate (CaCO₃)

Blue calcite (likely) (Calcite, calcium carbonate (CaCO₃)) — mineral

Blue calcite (likely)

Calcite, calcium carbonate (CaCO₃)

Honey calcite (likely rough calcite) (Calcite, calcium carbonate (CaCO₃)) — mineral

Honey calcite (likely rough calcite)

Calcite, calcium carbonate (CaCO₃)

Optical Calcite (Iceland Spar) (Calcite (Calcium Carbonate, CaCO3)) — mineral

Optical Calcite (Iceland Spar)

Calcite (Calcium Carbonate, CaCO3)

Stone Mosaic Mask (Composite silicate and carbonate minerals) — mineral

Stone Mosaic Mask

Composite silicate and carbonate minerals

Blue Calcite (Calcium Carbonate (CaCO3)) — mineral

Blue Calcite

Calcium Carbonate (CaCO3)

Green Calcite (Calcium Carbonate (CaCO3)) — mineral

Green Calcite

Calcium Carbonate (CaCO3)