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

Banded Calcite (Mexican Onyx) (Banded Calcite (CaCO3)) — sedimentary

Banded Calcite (Mexican Onyx)

Banded Calcite (CaCO3)

Engineered Quartz (Silicon dioxide composite) — manufactured stone

Engineered Quartz

Silicon dioxide composite

manufactured stone

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Quartzite (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Quartzite

Metamorphosed Quartz Sandstone (SiO2)

Quartzite Pebble (Quartzite (SiO2)) — metamorphic

Quartzite Pebble

Quartzite (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Calcite (Calcium Carbonate (CaCO3)) — mineral

Calcite

Calcium Carbonate (CaCO3)

Black Tourmaline (Schorl (NaFe2+3Al6(BO3)3Si6O18(OH)4)) — mineral

Black Tourmaline

Schorl (NaFe2+3Al6(BO3)3Si6O18(OH)4)

Epidote (Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))) — metamorphic

Epidote

Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))

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

Emerald in Matrix (Tumbled)

Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities

Lapis Lazuli (Lazurite with Calcite and Pyrite (Na,Ca)8(AlSiO4)6(S,SO4,Cl)1-2) — metamorphic

Lapis Lazuli

Lazurite with Calcite and Pyrite (Na,Ca)8(AlSiO4)6(S,SO4,Cl)1-2

Corundum (Sapphire in Matrix) (Aluminum Oxide (Al2O3)) — mineral

Corundum (Sapphire in Matrix)

Aluminum Oxide (Al2O3)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Aquamarine with Ruby Accent (Beryllium Aluminum Silicate (Be3Al2Si6O18) with Aluminum Oxide (Al2O3)) — mineral

Aquamarine with Ruby Accent

Beryllium Aluminum Silicate (Be3Al2Si6O18) with Aluminum Oxide (Al2O3)

Ruby (varieties of Corundum) (Aluminum oxide (Al2O3) with Chromium traces) — mineral

Ruby (varieties of Corundum)

Aluminum oxide (Al2O3) with Chromium traces

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

Blue Apatite

Fluorapatite / Ca5(PO4)3F

Calcite (Calcium Carbonate (CaCO3)) — mineral

Calcite

Calcium Carbonate (CaCO3)

Tumbled cream-colored stone, likely calcite or marble (Calcite (CaCO₃), possibly recrystallized as marble) — mineral

Tumbled cream-colored stone, likely calcite or marble

Calcite (CaCO₃), possibly recrystallized as marble

Yellow Calcite (Polished) (Calcium Carbonate (CaCO3)) — mineral

Yellow Calcite (Polished)

Calcium Carbonate (CaCO3)

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

Yellow Calcite

Calcite (Calcium Carbonate, CaCO3)

Likely limestone or marble (Calcite-rich carbonate rock; chiefly calcium carbonate, CaCO₃) — sedimentary (if limestone) or metamorphic (if marble)

Likely limestone or marble

Calcite-rich carbonate rock; chiefly calcium carbonate, CaCO₃

sedimentary (if limestone) or metamorphic (if marble)

Polished white-and-black stone, likely quartzite or marble (Quartz-rich quartzite or calcitic marble; exact identification requires testing) — metamorphic

Polished white-and-black stone, likely quartzite or marble

Quartz-rich quartzite or calcitic marble; exact identification requires testing

Moqui Marble (Shaman Stone) (Ironstone Concretion (Goethite/Hematite over Sandstone)) — sedimentary

Moqui Marble (Shaman Stone)

Ironstone Concretion (Goethite/Hematite over Sandstone)

Lapis Lazuli (Lapis Lazuli (contains lazurite, calcite, pyrite)) — metamorphic

Lapis Lazuli

Lapis Lazuli (contains lazurite, calcite, pyrite)

Orange calcite (Calcite, CaCO₃) — mineral

Orange calcite

Calcite, CaCO₃

Calcite (Calcium Carbonate (CaCO3)) — mineral

Calcite

Calcium Carbonate (CaCO3)

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

Lapis Lazuli (Polished)

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

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

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Blue Sapphire (Corundum (Al2O3)) — gemstone

Blue Sapphire

Corundum (Al2O3)

Optical Calcite (Iceland Spar) (Calcite (CaCO3)) — mineral

Optical Calcite (Iceland Spar)

Calcite (CaCO3)

Lapis Lazuli (Lapis Lazuli (Complex silicate: Na8[Al6Si6O24]Sn)) — metamorphic

Lapis Lazuli

Lapis Lazuli (Complex silicate: Na8[Al6Si6O24]Sn)

Ironstone Concretion (Limonite/Goethite) (Iron oxide concretion (contains FeO(OH)·nH2O)) — sedimentary

Ironstone Concretion (Limonite/Goethite)

Iron oxide concretion (contains FeO(OH)·nH2O)

Quartzite (Quartzite) — Metamorphic

Quartzite

Quartzite

Possible calcite crystal fragment (Calcite (CaCO₃), tentative identification) — mineral

Possible calcite crystal fragment

Calcite (CaCO₃), tentative identification

Quartzite on Matrix (Crystalline Silicon Dioxide (SiO2) within metamorphic matrix) — metamorphic

Quartzite on Matrix

Crystalline Silicon Dioxide (SiO2) within metamorphic matrix

Quartzite (Metamorphic Rock (Quartzite)) — metamorphic

Quartzite

Metamorphic Rock (Quartzite)

Calcite (Calcium Carbonate (CaCO3)) — mineral

Calcite

Calcium Carbonate (CaCO3)

Tumbled cream-colored mineral, likely calcite or quartz (Calcite (CaCO₃) or milky quartz (SiO₂); exact identification requires testing) — mineral

Tumbled cream-colored mineral, likely calcite or quartz

Calcite (CaCO₃) or milky quartz (SiO₂); exact identification requires testing

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite (with Iron Staining) (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Quartzite (with Iron Staining)

Metamorphosed Quartz Sandstone (SiO2)

Quartzite (Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite

Metamorphic Quartzite (SiO2)