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

Veined marble or calcitic limestone (Calcite-dominant carbonate rock (CaCO₃), likely marble) — metamorphic

Veined marble or calcitic limestone

Calcite-dominant carbonate rock (CaCO₃), likely marble

Rounded limestone pebble (Limestone, primarily calcite (CaCO₃), possibly micritic or fossiliferous) — sedimentary

Rounded limestone pebble

Limestone, primarily calcite (CaCO₃), possibly micritic or fossiliferous

Map Jasper (Grey Picasso Jasper) (Silicon Dioxide (SiO2) with impurities) — sedimentary

Map Jasper (Grey Picasso Jasper)

Silicon Dioxide (SiO2) with impurities

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

Orange Calcite

Calcite (Calcium Carbonate, CaCO3)

Calcite (likely chalky calcite fragment) (Calcite, calcium carbonate (CaCO₃)) — mineral

Calcite (likely chalky calcite fragment)

Calcite, calcium carbonate (CaCO₃)

Tumbled quartz-rich carbonate rock (Likely massive quartz (SiO₂), possibly calcite-bearing marble or limestone) — mineral

Tumbled quartz-rich carbonate rock

Likely massive quartz (SiO₂), possibly calcite-bearing marble or limestone

Lapis Lazuli (Lapis Lazuli (Complex silicate rock containing Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, Pyrite, and Calcite)) — metamorphic

Lapis Lazuli

Lapis Lazuli (Complex silicate rock containing Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, Pyrite, and Calcite)

Limestone (Calcite (CaCO3)) — sedimentary

Limestone

Calcite (CaCO3)

Fossilized Crinoid Stem in Matrix (Crinoid (Class: Crinoidea)) — fossil

Fossilized Crinoid Stem in Matrix

Crinoid (Class: Crinoidea)

Rounded limestone pebble (Limestone, predominantly calcite (CaCO₃)) — sedimentary

Rounded limestone pebble

Limestone, predominantly calcite (CaCO₃)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Honey Calcite (Calcium Carbonate (CaCO3)) — mineral

Honey Calcite

Calcium Carbonate (CaCO3)

Banded limestone or marble (Likely calcite-rich limestone (CaCO₃), possibly weakly metamorphosed marble) — sedimentary

Banded limestone or marble

Likely calcite-rich limestone (CaCO₃), possibly weakly metamorphosed marble

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

White Marble (often sold as Caribbean Calcite or Pistachio Calcite in this form) (Recrystallized Calcite (CaCO3)) — metamorphic

White Marble (often sold as Caribbean Calcite or Pistachio Calcite in this form)

Recrystallized Calcite (CaCO3)

Golden Calcite (Calcium Carbonate (CaCO3)) — mineral

Golden Calcite

Calcium Carbonate (CaCO3)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Green Calcite (Calcium Carbonate (CaCO3)) — mineral

Green Calcite

Calcium Carbonate (CaCO3)

Lapis Lazuli (Lapis Lazuli (Primary mineral: Lazurite, (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)) — metamorphic

Lapis Lazuli

Lapis Lazuli (Primary mineral: Lazurite, (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)

Fossiliferous limestone (Bioclastic limestone, composed mainly of calcite (CaCO₃)) — sedimentary

Fossiliferous limestone

Bioclastic limestone, composed mainly of calcite (CaCO₃)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Green Calcite (Calcium Carbonate (CaCO3)) — mineral

Green Calcite

Calcium Carbonate (CaCO3)

Quartz-rich rock, likely quartzite (Quartzite; predominantly crystalline silicon dioxide (SiO₂)) — metamorphic

Quartz-rich rock, likely quartzite

Quartzite; predominantly crystalline silicon dioxide (SiO₂)

Quartzite (River Pebble) (Metamorphosed Quartz Sandstone (primarily SiO2)) — metamorphic

Quartzite (River Pebble)

Metamorphosed Quartz Sandstone (primarily SiO2)

Yellow Calcite (Calcium Carbonate (CaCO3)) — mineral

Yellow Calcite

Calcium Carbonate (CaCO3)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Honey Calcite (Calcium Carbonate (CaCO3)) — mineral

Honey Calcite

Calcium Carbonate (CaCO3)

Lapis Lazuli (Lapis lazuli (primary component: Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)) — metamorphic

Lapis Lazuli

Lapis lazuli (primary component: Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)

Lapis Lazuli (Complex mixture of minerals (lazurite, calcite, pyrite, and sodalite); (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2) — metamorphic

Lapis Lazuli

Complex mixture of minerals (lazurite, calcite, pyrite, and sodalite); (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2

Lapis Lazuli (Na8[Al6Si6O24]n(S,Cl,SO4,OH)2 (Lazurite component)) — metamorphic

Lapis Lazuli

Na8[Al6Si6O24]n(S,Cl,SO4,OH)2 (Lazurite component)

Lapis Lazuli (Lapis Lazuli (Rock composed primarily of Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, Calcite, and Pyrite)) — metamorphic

Lapis Lazuli

Lapis Lazuli (Rock composed primarily of Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, Calcite, and Pyrite)

Weathered quartz-rich metamorphic rock, likely quartzite (Quartzite; predominantly quartz (SiO₂), possibly with feldspar, mica, and iron-oxide staining) — metamorphic

Weathered quartz-rich metamorphic rock, likely quartzite

Quartzite; predominantly quartz (SiO₂), possibly with feldspar, mica, and iron-oxide staining

Quartzite River Pebble (Quartzite (primarily SiO2)) — metamorphic

Quartzite River Pebble

Quartzite (primarily SiO2)

Tumbled speckled pebble, likely marble or limestone (Calcite-rich carbonate rock; possibly impure marble (CaCO₃)) — metamorphic

Tumbled speckled pebble, likely marble or limestone

Calcite-rich carbonate rock; possibly impure marble (CaCO₃)

Tumbled zebra stone, likely zebra marble or banded calcite (Zebra marble (recrystallized calcite, CaCO₃), possibly black-and-white banded calcite) — metamorphic

Tumbled zebra stone, likely zebra marble or banded calcite

Zebra marble (recrystallized calcite, CaCO₃), possibly black-and-white banded calcite

Blue-gray calcite-bearing marble (Calcite (CaCO₃), recrystallized as marble; possibly minor quartz or dolomite) — metamorphic

Blue-gray calcite-bearing marble

Calcite (CaCO₃), recrystallized as marble; possibly minor quartz or dolomite

Blue Calcite (Calcium Carbonate (CaCO3)) — mineral

Blue Calcite

Calcium Carbonate (CaCO3)

Yellow Calcite (Calcium Carbonate (CaCO3)) — mineral

Yellow Calcite

Calcium Carbonate (CaCO3)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Calcite with iron staining (Calcium Carbonate (CaCO3)) — mineral

Calcite with iron staining

Calcium Carbonate (CaCO3)

Yellow Calcite (Calcium Carbonate (CaCO3)) — mineral

Yellow Calcite

Calcium Carbonate (CaCO3)

Weathered limestone (Limestone, predominantly calcite (CaCO₃)) — sedimentary

Weathered limestone

Limestone, predominantly calcite (CaCO₃)