Rock Identifier

Category

Marble

Browse marble specimens identified by the Rock Identifier community.

Learn about Marble in the encyclopedia

Marble

Cipollino Marble

Cipollino Marble

Parian Marble

Carrara Marble

Pentelic Marble

Ruin Marble

Onyx Marble

Green Marble

Picasso Jasper

Migmatite

Crinoidal Limestone

Crinoidal Limestone

Serpentinite

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

Blue calcite-rich marble or limestone (Calcite (CaCO₃), likely recrystallized as marble; possibly aragonite-bearing limestone) — metamorphic

Blue calcite-rich marble or limestone

Calcite (CaCO₃), likely recrystallized as marble; possibly aragonite-bearing limestone

Tumbled limestone or marble fragment (Calcite (CaCO₃), likely marble; possibly compact limestone) — metamorphic

Tumbled limestone or marble fragment

Calcite (CaCO₃), likely marble; possibly compact limestone

Polished gray marble slab (Calcite-rich marble (recrystallized limestone; chiefly CaCO₃)) — metamorphic

Polished gray marble slab

Calcite-rich marble (recrystallized limestone; chiefly CaCO₃)

Likely marble or foliated calcite-rich metamorphic rock (Calcite (CaCO₃), probably recrystallized limestone; exact identification is uncertain from the image) — metamorphic

Likely marble or foliated calcite-rich metamorphic rock

Calcite (CaCO₃), probably recrystallized limestone; exact identification is uncertain from the image

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

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Pink Quartzite (Quartzite (SiO2) with trace Iron Oxides) — metamorphic

Pink Quartzite

Quartzite (SiO2) with trace Iron Oxides

Quartzite (Metamorphic Quartz Rock (SiO2)) — metamorphic

Quartzite

Metamorphic Quartz Rock (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Tumbled yellow-orange calcite (Calcite (CaCO₃), likely honey or orange calcite) — mineral

Tumbled yellow-orange calcite

Calcite (CaCO₃), likely honey or orange calcite

Emerald in Matrix (Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities) — mineral

Emerald in Matrix

Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite (Engineered Stone) (Silicon Dioxide (SiO2) based synthetic composite) — metamorphic

Quartzite (Engineered Stone)

Silicon Dioxide (SiO2) based synthetic composite

Quartzite (Quartzite (composed primarily of Silica, SiO2)) — metamorphic

Quartzite

Quartzite (composed primarily of Silica, SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite (Quartzite (mostly SiO2)) — metamorphic

Quartzite

Quartzite (mostly SiO2)

Cut limestone masonry (Calcitic limestone, predominantly calcium carbonate (CaCO₃)) — sedimentary

Cut limestone masonry

Calcitic limestone, predominantly calcium carbonate (CaCO₃)

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

Weathered limestone

Limestone, predominantly calcite (CaCO₃)

Moqui Marble (Concretion) (Iron Oxide Concretion (Hematite/Goethite)) — sedimentary

Moqui Marble (Concretion)

Iron Oxide Concretion (Hematite/Goethite)

Likely calcite-rich limestone or marble fragment (Calcite (CaCO₃), probably micritic limestone; exact identification requires testing) — sedimentary

Likely calcite-rich limestone or marble fragment

Calcite (CaCO₃), probably micritic limestone; exact identification requires testing

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

Lapis Lazuli

Lapis Lazuli (aggregate rock primarily composed of Lazurite (Na,Ca)8[(S,Cl,SO4,OH)2|(AlSiO4)6], Calcite, and Pyrite)

Ruby (Corundum (Al2O3 with Chromium trace)) — gemstone

Ruby

Corundum (Al2O3 with Chromium trace)

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

Lapis Lazuli

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

Ruby (or potential synthetic/imitation) (Corundum (Al2O3)) — gemstone

Ruby (or potential synthetic/imitation)

Corundum (Al2O3)

Black Tourmaline (Schorl) (Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)) — mineral

Black Tourmaline (Schorl)

Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Calcite (Calcium Carbonate (CaCO3)) — mineral

Calcite

Calcium Carbonate (CaCO3)

Ruby (Raw Corundum) (Corundum (Al2O3 with Chromium impurities)) — mineral

Ruby (Raw Corundum)

Corundum (Al2O3 with Chromium impurities)

Raw Sapphire / Corundum (Corundum (Al2O3 - Aluminium oxide)) — mineral

Raw Sapphire / Corundum

Corundum (Al2O3 - Aluminium oxide)

Blue Apatite (Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)) — mineral

Blue Apatite

Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)

Calcite on Host Rock (Calcium Carbonate (CaCO3)) — mineral

Calcite on Host Rock

Calcium Carbonate (CaCO3)

Blue Calcite (Calcium Carbonate (CaCO3)) — mineral

Blue Calcite

Calcium Carbonate (CaCO3)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Black Tourmaline (Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)) — mineral

Black Tourmaline

Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)

Blue Sapphire (Corundum (Al2O3)) — mineral

Blue Sapphire

Corundum (Al2O3)

Green Calcite (Calcium Carbonate (CaCO3)) — mineral

Green Calcite

Calcium Carbonate (CaCO3)

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

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Aragonite (Onyx Marble) (Aragonite / Calcium Carbonate (CaCO3)) — mineral

Aragonite (Onyx Marble)

Aragonite / Calcium Carbonate (CaCO3)

Aragonite (Onyx Marble) (Calcium Carbonate (CaCO3), Orthorhombic crystal system) — mineral

Aragonite (Onyx Marble)

Calcium Carbonate (CaCO3), Orthorhombic crystal system

Crinoid Fossil Marble (Crinoidal Limestone / Phylum Echinodermata) — sedimentary

Crinoid Fossil Marble

Crinoidal Limestone / Phylum Echinodermata