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

Quartzite (Quartzite, composed predominantly of recrystallized quartz (SiO₂)) — metamorphic

Quartzite

Quartzite, composed predominantly of recrystallized quartz (SiO₂)

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

Howlite

Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)

Quartzite (Quartzite (predominantly SiO2)) — metamorphic

Quartzite

Quartzite (predominantly SiO2)

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

Quartzite

Quartzite (composed primarily of Quartz, SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Travertine (likely polished limestone) (Calcite-rich carbonate rock; predominantly CaCO₃) — sedimentary

Travertine (likely polished limestone)

Calcite-rich carbonate rock; predominantly CaCO₃

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Quartzite Pebble (Quartzite (SiO2)) — metamorphic

Quartzite Pebble

Quartzite (SiO2)

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

Quartzite

Quartzite (composed primarily of Quartz, SiO2)

Pink Quartzite (Quartzite (SiO2) with inclusions) — metamorphic

Pink Quartzite

Quartzite (SiO2) with inclusions

Quartzite (Quartzite (mostly SiO2)) — metamorphic

Quartzite

Quartzite (mostly SiO2)

Red Quartzite (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Red Quartzite

Metamorphosed Quartz Sandstone (SiO2)

Columnar Calcite / Satin Spar (Calcite (Calcium Carbonate, CaCO3)) — mineral

Columnar Calcite / Satin Spar

Calcite (Calcium Carbonate, CaCO3)

Banded calcite (travertine/cave calcite) (Calcite, CaCO₃; likely banded carbonate travertine or flowstone) — mineral

Banded calcite (travertine/cave calcite)

Calcite, CaCO₃; likely banded carbonate travertine or flowstone

Calcite-rich limestone (Limestone, predominantly calcite (CaCO₃), possibly recrystallized) — sedimentary

Calcite-rich limestone

Limestone, predominantly calcite (CaCO₃), possibly recrystallized

Rough white calcite (Calcite (calcium carbonate, CaCO₃)) — mineral

Rough white calcite

Calcite (calcium carbonate, CaCO₃)

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

Polished limestone or marble slab (Calcite-rich carbonate rock; likely marble (CaCO₃)) — metamorphic

Polished limestone or marble slab

Calcite-rich carbonate rock; likely marble (CaCO₃)

Polished yellow calcite pendant (Calcite (CaCO₃)) — mineral

Polished yellow calcite pendant

Calcite (CaCO₃)

Painite (Painite, CaZrAl₉O₁₅(BO₃)) — mineral

Painite

Painite, CaZrAl₉O₁₅(BO₃)

Red corundum (ruby rough) (Corundum, aluminum oxide (Al₂O₃); ruby is chromium-bearing red corundum) — gemstone

Red corundum (ruby rough)

Corundum, aluminum oxide (Al₂O₃); ruby is chromium-bearing red corundum

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)

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

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

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

Ruby (Corundum)

Aluminum Oxide (Al2O3) with Chromium traces

Ruby (Raw Corundum) (Corundum (Aluminum Oxide with Chromium), Al2O3:Cr) — mineral

Ruby (Raw Corundum)

Corundum (Aluminum Oxide with Chromium), Al2O3:Cr

Mixed Tumbled Stones Collection (Mixed Silicates and Carbonates (Quartz, Amorphous Silica, Carbonates)) — multiple

Mixed Tumbled Stones Collection

Mixed Silicates and Carbonates (Quartz, Amorphous Silica, Carbonates)

Lapis Lazuli (Tumbled Stone) (Na6Ca2(Al6Si6O24)(SO4,S,Cl)2 (Lazulite-rich Metamorphic Rock)) — metamorphic

Lapis Lazuli (Tumbled Stone)

Na6Ca2(Al6Si6O24)(SO4,S,Cl)2 (Lazulite-rich Metamorphic Rock)

Green Calcite (Calcium Carbonate (CaCO3)) — mineral

Green Calcite

Calcium Carbonate (CaCO3)

Honey Calcite (Calcium Carbonate (CaCO3)) — mineral

Honey Calcite

Calcium Carbonate (CaCO3)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Quartz-rich limestone or calcitic marble (Calcite (CaCO₃), possibly with quartz (SiO₂)) — metamorphic

Quartz-rich limestone or calcitic marble

Calcite (CaCO₃), possibly with quartz (SiO₂)

Banded gneiss (Biotite–quartz–feldspar gneiss) — metamorphic

Banded gneiss

Biotite–quartz–feldspar gneiss

Blue-dyed tumbled stone, likely calcite or quartz (Uncertain; commonly dyed quartz (SiO₂) or calcite (CaCO₃)) — mineral

Blue-dyed tumbled stone, likely calcite or quartz

Uncertain; commonly dyed quartz (SiO₂) or calcite (CaCO₃)

Quartzite (Quartzite (SiO2 principal component)) — metamorphic

Quartzite

Quartzite (SiO2 principal component)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)