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

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

Weathered limestone fragment

Calcite-rich limestone, chiefly calcium carbonate (CaCO₃)

Tumbled limestone or calcitic rock (Limestone, predominantly calcite (CaCO₃)) — sedimentary

Tumbled limestone or calcitic rock

Limestone, predominantly calcite (CaCO₃)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Orange Quartzite (Quartzite (primarily SiO2)) — metamorphic

Orange Quartzite

Quartzite (primarily SiO2)

Yellow Calcite (Calcium Carbonate (CaCO3)) — mineral

Yellow Calcite

Calcium Carbonate (CaCO3)

Quartzite (Metamorphosed Quartz Sandstone) — metamorphic

Quartzite

Metamorphosed Quartz Sandstone

Zebra Jasper (Banded microcrystalline quartz (SiO2)) — sedimentary

Zebra Jasper

Banded microcrystalline quartz (SiO2)

Weathered, porous limestone (probable fossiliferous limestone) (Calcite-rich limestone; predominantly CaCO₃) — sedimentary

Weathered, porous limestone (probable fossiliferous limestone)

Calcite-rich limestone; predominantly CaCO₃

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

Calcite (likely chalky calcite fragment)

Calcite, calcium carbonate (CaCO₃)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

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

Quartzite

Quartzite (composed primarily of SiO2)

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)

Ruby in Quartz with Tourmaline (Corundum (Al2O3) in Silicon Dioxide (SiO2) with Schorl) — metamorphic

Ruby in Quartz with Tourmaline

Corundum (Al2O3) in Silicon Dioxide (SiO2) with Schorl

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Howlite (Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)) — mineral

Howlite

Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)

Picasso Jasper (also known as Picasso Marble) (Metamorphosed Limestone (Calcium Carbonate with impurities)) — metamorphic

Picasso Jasper (also known as Picasso Marble)

Metamorphosed Limestone (Calcium Carbonate with impurities)

Quartzite with inclusions (Quartzite (SiO2)) — metamorphic

Quartzite with inclusions

Quartzite (SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Banded Calcite (Green Onyx) (Calcium Carbonate (CaCO3)) — sedimentary

Banded Calcite (Green Onyx)

Calcium Carbonate (CaCO3)

Likely milky quartz pebble (Quartz, silicon dioxide (SiO₂)) — mineral

Likely milky quartz pebble

Quartz, silicon dioxide (SiO₂)

Larimar (Pectolite) — mineral

Larimar

Pectolite

Larimar (Pectolite (NaCa2Si3O8(OH))) — mineral

Larimar

Pectolite (NaCa2Si3O8(OH))

Larimar (Pectolite (NaCa2Si3O8(OH))) — mineral

Larimar

Pectolite (NaCa2Si3O8(OH))

Weathered limestone or calcitic marble (Calcite-rich carbonate rock, chiefly CaCO₃; likely fossiliferous limestone, possibly weakly metamorphosed marble) — metamorphic

Weathered limestone or calcitic marble

Calcite-rich carbonate rock, chiefly CaCO₃; likely fossiliferous limestone, possibly weakly metamorphosed marble

Polished white calcite sphere (identification tentative) (Calcite, CaCO₃) — mineral

Polished white calcite sphere (identification tentative)

Calcite, CaCO₃

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

Green Calcite

Calcite (Calcium Carbonate, CaCO3)

Blue Calcite (Calcium Carbonate (CaCO3)) — mineral

Blue Calcite

Calcium Carbonate (CaCO3)

Ruby / Red Corundum (Al2O3 (Aluminum Oxide with Chromium trace)) — gemstone

Ruby / Red Corundum

Al2O3 (Aluminum Oxide with Chromium trace)

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

Blue Apatite

Fluoroapatite (Ca5(PO4)3F)

Yellow Sapphire (Corundum) (Corundum (Aluminum Oxide, Al2O3)) — mineral

Yellow Sapphire (Corundum)

Corundum (Aluminum Oxide, Al2O3)

Ruby (Corundum (Al2O3 with Chromium traces)) — mineral

Ruby

Corundum (Al2O3 with Chromium traces)

Lapis Lazuli (Lapis Lazuli (Complex silicate mixture including Lazurite: (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)) — metamorphic

Lapis Lazuli

Lapis Lazuli (Complex silicate mixture including Lazurite: (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)

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

Orange Calcite

Calcite (Calcium Carbonate, CaCO3)

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

Rough Emerald in Matrix

Beryl (Be3Al2Si6O18) with trace Chromium/Vanadium

Honey Calcite (Calcium Carbonate (CaCO3)) — mineral

Honey Calcite

Calcium Carbonate (CaCO3)

Lapis Lazuli (Na8[Al6Si6O24]Sn (Lazurite-rich metamorphic rock)) — metamorphic

Lapis Lazuli

Na8[Al6Si6O24]Sn (Lazurite-rich metamorphic rock)

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

Optical Calcite (Iceland Spar)

Calcite (Calcium Carbonate, CaCO3)

Yellow Sapphire (Corundum (Al2O3) with iron impurities) — mineral

Yellow Sapphire

Corundum (Al2O3) with iron impurities