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) — Metamorphic

Quartzite

Quartzite

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)

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

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

Quartzite (Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite

Metamorphic Quartzite (SiO2)

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)

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 Pebble (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Quartzite Pebble

Metamorphosed Quartz Sandstone (SiO2)

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

Moqui Marble (Shaman Stone)

Ironstone Concretion (Goethite/Hematite over Sandstone)

Tumbled zebra calcite (likely calcite marble) (Calcite, CaCO₃; commonly recrystallized limestone/marble with dark graphite- or carbon-rich bands) — metamorphic

Tumbled zebra calcite (likely calcite marble)

Calcite, CaCO₃; commonly recrystallized limestone/marble with dark graphite- or carbon-rich bands

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)

Glazed Ceramic Tile (Fused Silicate-Clay composite) — Synthetic (Man-made material mimicking natural stone)

Glazed Ceramic Tile

Fused Silicate-Clay composite

Synthetic (Man-made material mimicking natural stone)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

White Calcite (Calcium Carbonate (CaCO3)) — mineral

White Calcite

Calcium Carbonate (CaCO3)

Banded Calcite (often sold as 'Mexican Onyx') (Calcium Carbonate (CaCO3)) — sedimentary

Banded Calcite (often sold as 'Mexican Onyx')

Calcium Carbonate (CaCO3)

Blue Sapphire (Corundum (Al2O3)) — gemstone

Blue Sapphire

Corundum (Al2O3)

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)

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)

Polished serpentine pebble (Serpentinite, chiefly serpentine-group minerals (antigorite/lizardite; approximate formula Mg3Si2O5(OH)4)) — metamorphic

Polished serpentine pebble

Serpentinite, chiefly serpentine-group minerals (antigorite/lizardite; approximate formula Mg3Si2O5(OH)4)

Serpentine (Antigorite, Lizardite, and Chrysotile (Mg3Si2O5(OH)4)) — metamorphic

Serpentine

Antigorite, Lizardite, and Chrysotile (Mg3Si2O5(OH)4)

Polished gray metamorphic pebble, likely marble or quartzite (Uncertain; possibly calcitic marble (CaCO₃) or quartzite (SiO₂) with dark mineral veining) — metamorphic

Polished gray metamorphic pebble, likely marble or quartzite

Uncertain; possibly calcitic marble (CaCO₃) or quartzite (SiO₂) with dark mineral veining

Granite (Phaneritic Igneous Rock (composed of Quartz, Feldspar, and Mica)) — igneous

Granite

Phaneritic Igneous Rock (composed of Quartz, Feldspar, and Mica)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

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

Quartzite

Quartzite (composed primarily of Quartz, SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

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

Quartzite Pebble (River Rock)

Quartzite (primarily SiO2)

Yellow Calcite (Calcium Carbonate (CaCO3)) — mineral

Yellow Calcite

Calcium Carbonate (CaCO3)

Fossiliferous limestone, likely crinoidal limestone (Bioclastic limestone; predominantly calcite (CaCO₃), with possible dolomite and silicate impurities) — sedimentary

Fossiliferous limestone, likely crinoidal limestone

Bioclastic limestone; predominantly calcite (CaCO₃), with possible dolomite and silicate impurities

Yellow Quartzite (Quartzite (SiO2)) — metamorphic

Yellow Quartzite

Quartzite (SiO2)

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

Banded Calcite (Honey Calcite)

Calcium Carbonate (CaCO3)