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

Brown Jasper (Tumbled) (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Brown Jasper (Tumbled)

Silicon Dioxide (SiO2) with iron oxide inclusions

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Zebra Jasper (Silicon Dioxide (SiO2) with various inclusions) — metamorphic/sedimentary

Zebra Jasper

Silicon Dioxide (SiO2) with various inclusions

metamorphic/sedimentary

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

Quartzite

Quartzite (primarily Silicon Dioxide, SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

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

Banded Calcite

Calcite (Calcium Carbonate, CaCO3)

Red Quartzite / River Cobble (Quartzite (SiO2 with iron oxide impurities)) — metamorphic

Red Quartzite / River Cobble

Quartzite (SiO2 with iron oxide impurities)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Diorite (with Iron Staining) (Phaneritic Intermediate Igneous Rock) — igneous

Diorite (with Iron Staining)

Phaneritic Intermediate Igneous Rock

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

Quartzite (River Pebble)

Metamorphosed Quartz Sandstone (primarily SiO2)

Pink Quartzite (Quartzite (primarily SiO2)) — metamorphic

Pink Quartzite

Quartzite (primarily SiO2)

Yellow Calcite (Calcium Carbonate (CaCO3)) — mineral

Yellow Calcite

Calcium Carbonate (CaCO3)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Pink Quartzite (Quartzite (primarily SiO2)) — metamorphic

Pink Quartzite

Quartzite (primarily SiO2)

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

Lapis Lazuli

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

Greenish calcite (likely), possibly talc-bearing marble (Calcite, CaCO₃; green coloration may reflect chlorite, epidote, or serpentine inclusions) — mineral

Greenish calcite (likely), possibly talc-bearing marble

Calcite, CaCO₃; green coloration may reflect chlorite, epidote, or serpentine inclusions

Map Jasper (Picasso Stone) (Metamorphosed Calcium Carbonate (Crystalline Limestone or Marble with Silicate inclusions/impurities)) — metamorphic

Map Jasper (Picasso Stone)

Metamorphosed Calcium Carbonate (Crystalline Limestone or Marble with Silicate inclusions/impurities)

Raw pale-blue calcite (tentative) (Calcite, calcium carbonate (CaCO₃)) — mineral

Raw pale-blue calcite (tentative)

Calcite, calcium carbonate (CaCO₃)

Quartzite (Quartzite (SiO2 principal component)) — metamorphic

Quartzite

Quartzite (SiO2 principal component)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Yellow Calcite (Calcium Carbonate (CaCO3)) — mineral

Yellow Calcite

Calcium Carbonate (CaCO3)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

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

Orange Quartzite (River Pebble)

Quartzite (primarily SiO2)

Calcite (Calcium Carbonate (CaCO3)) — mineral

Calcite

Calcium Carbonate (CaCO3)

Quartzite (with Iron Staining) (Quartzite (predominantly SiO2)) — metamorphic

Quartzite (with Iron Staining)

Quartzite (predominantly SiO2)

Quartz / Quartzite (Silicon Dioxide (SiO2)) — metamorphic

Quartz / Quartzite

Silicon Dioxide (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite Pebble (with iron staining) (Quartzite (SiO2 with ferric oxide impurities)) — metamorphic

Quartzite Pebble (with iron staining)

Quartzite (SiO2 with ferric oxide impurities)

Calcite specimen (Calcite (calcium carbonate, CaCO₃)) — mineral

Calcite specimen

Calcite (calcium carbonate, CaCO₃)

Green Calcite (Calcium Carbonate (CaCO3)) — mineral

Green Calcite

Calcium Carbonate (CaCO3)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Ruby and Diamond in Gold Setting (Corundum (Al2O3) and Diamond (C)) — mineral

Ruby and Diamond in Gold Setting

Corundum (Al2O3) and Diamond (C)

Green Calcite (Calcium Carbonate (CaCO3)) — mineral

Green Calcite

Calcium Carbonate (CaCO3)

Weathered limestone (Calcite-rich carbonate rock (mostly CaCO₃)) — sedimentary

Weathered limestone

Calcite-rich carbonate rock (mostly CaCO₃)

Ruby (Raw Corundum) (Alumina (Al2O3) with Chromium traces) — gemstone

Ruby (Raw Corundum)

Alumina (Al2O3) with Chromium traces

Lapis Lazuli (Low Grade) (Lapis Lazuli (Metamorphic rock containing lazurite, calcite, and pyrite)) — metamorphic

Lapis Lazuli (Low Grade)

Lapis Lazuli (Metamorphic rock containing lazurite, calcite, and pyrite)

Ruby (Corundum) (Aluminum oxide (Al2O3) with Chromium traces) — gemstone

Ruby (Corundum)

Aluminum oxide (Al2O3) with Chromium traces

Blue Sapphire (likely lab-grown or treated) (Corundum (Aluminum Oxide, Al2O3)) — gemstone

Blue Sapphire (likely lab-grown or treated)

Corundum (Aluminum Oxide, Al2O3)

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

Lapis Lazuli

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

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

Lapis Lazuli

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

Sapphire (Corundum (Al2O3)) — mineral

Sapphire

Corundum (Al2O3)

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)