Rock Identifier

Category

Marble

Browse marble specimens identified by the Rock Identifier community.

Learn about Marble in the encyclopedia

Marble

Marble

Parian Marble

Parian Marble

Cipollino Marble

Cipollino Marble

Ruin Marble

Ruin Marble

Pentelic Marble

Pentelic Marble

Onyx Marble

Onyx Marble

Green Marble

Green Marble

Carrara Marble

Carrara Marble

Picasso Jasper

Picasso Jasper

Migmatite

Migmatite

Crinoidal Limestone

Crinoidal Limestone

Serpentinite

Serpentinite

Chert (specifically Black Chert / Flint) (Silicon Dioxide (SiO2)) — sedimentary

Chert (specifically Black Chert / Flint)

Silicon Dioxide (SiO2)

River Stone (Chert/Basalt mix) (Microcrystalline Quartz (Chert) / Basalt) — sedimentary

River Stone (Chert/Basalt mix)

Microcrystalline Quartz (Chert) / Basalt

Chert (Jasper/Flint variety) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Jasper/Flint variety)

Silicon Dioxide (SiO2)

Sandstone (Greywacke) (Clastic Sedimentary Rock (SiO2 with lithic fragments)) — sedimentary

Sandstone (Greywacke)

Clastic Sedimentary Rock (SiO2 with lithic fragments)

Limestone (specifically Iron-stained or Argillaceous Limestone) (Calcium Carbonate (CaCO3) with Iron Oxide (Fe2O3) impurities) — sedimentary

Limestone (specifically Iron-stained or Argillaceous Limestone)

Calcium Carbonate (CaCO3) with Iron Oxide (Fe2O3) impurities

Chert (variably called Jasper or Agate) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (variably called Jasper or Agate)

Microcrystalline Quartz (SiO2)

Mookaite Jasper (Silicon Dioxide (SiO2) with impurities) — sedimentary

Mookaite Jasper

Silicon Dioxide (SiO2) with impurities

Coquina / Fossiliferous Limestone (Calcite-rich Bioclastic Sedimentary Rock (CaCO3)) — sedimentary

Coquina / Fossiliferous Limestone

Calcite-rich Bioclastic Sedimentary Rock (CaCO3)

Graywacke (Graywacke Sandstone (C6H10O5)x - predominantly quartz and feldspar) — sedimentary

Graywacke

Graywacke Sandstone (C6H10O5)x - predominantly quartz and feldspar

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Baltic Amber (Butterscotch or Egg Yolk Variety) (Succinite (C10H16O)) — Organic Gemstone (fossilized resin)

Baltic Amber (Butterscotch or Egg Yolk Variety)

Succinite (C10H16O)

Organic Gemstone (fossilized resin)

Banded Chert (Silicon Dioxide (SiO2)) — sedimentary

Banded Chert

Silicon Dioxide (SiO2)

Chert (Microcrystalline silica (SiO2)) — sedimentary

Chert

Microcrystalline silica (SiO2)

Chert (Jasper/Agate variety) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Jasper/Agate variety)

Microcrystalline Quartz (SiO2)

Septarian Nodule (Septarian Concretion (CaCO3 with Siderite/Calcite)) — sedimentary

Septarian Nodule

Septarian Concretion (CaCO3 with Siderite/Calcite)

Serpentine (Antigorite/Chrysotile/Lizardite (Mg,Fe)3Si2O5(OH)4) — metamorphic

Serpentine

Antigorite/Chrysotile/Lizardite (Mg,Fe)3Si2O5(OH)4

Chert (Flinty variety) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Flinty variety)

Microcrystalline Quartz (SiO2)

Chert (Iron-stained) (Chert (Microcrystalline Quartz, SiO2)) — sedimentary

Chert (Iron-stained)

Chert (Microcrystalline Quartz, SiO2)

Chert Breccia (with Iron Staining) (Microcrystalline Quartz (SiO2) with iron oxides (Limonite/Goethite)) — sedimentary

Chert Breccia (with Iron Staining)

Microcrystalline Quartz (SiO2) with iron oxides (Limonite/Goethite)

Chert / Jasper (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Chert / Jasper

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Iron Ore (Hematite/Goethite) (Ironstone (Fe2O3 / FeO(OH))) — sedimentary

Iron Ore (Hematite/Goethite)

Ironstone (Fe2O3 / FeO(OH))

Chert (Jasper/Flint variety) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Jasper/Flint variety)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Eclogite garnet in matrix (Eclogite (Garnet-Omphacite rock)) — metamorphic

Eclogite garnet in matrix

Eclogite (Garnet-Omphacite rock)

Ammonite Fossil (Ammonoidea (typically preserved as Calcite or Aragonite)) — sedimentary

Ammonite Fossil

Ammonoidea (typically preserved as Calcite or Aragonite)

Diamond (set in a gold ring) (Carbon (C) - Adamantine cubic carbon) — mineral

Diamond (set in a gold ring)

Carbon (C) - Adamantine cubic carbon

Crinoid Fossil in Chert (Siliceous limestone with Crinoidea fossil (SiO2)) — sedimentary

Crinoid Fossil in Chert

Siliceous limestone with Crinoidea fossil (SiO2)

Greenstone / Serpentinite (Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)3(Si, Al, Fe)2O5(OH)4) — metamorphic

Greenstone / Serpentinite

Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)3(Si, Al, Fe)2O5(OH)4

Brown Sandstone (Arenite (primarily Quartz and Feldspar, with Iron Oxide cement)) — sedimentary

Brown Sandstone

Arenite (primarily Quartz and Feldspar, with Iron Oxide cement)

Banded Iron Formation (BIF) / Red Jasper with Hematite (Ferruginous Chert (primarily Quartz [SiO2] and Hematite [Fe2O3])) — sedimentary

Banded Iron Formation (BIF) / Red Jasper with Hematite

Ferruginous Chert (primarily Quartz [SiO2] and Hematite [Fe2O3])

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Crinoid Columnal Fossil (Class Crinoidea (Echinodermata); usually calcite replacement (CaCO3)) — sedimentary

Crinoid Columnal Fossil

Class Crinoidea (Echinodermata); usually calcite replacement (CaCO3)

Coquina (Bioclastic Limestone (composed primarily of CaCO3)) — sedimentary

Coquina

Bioclastic Limestone (composed primarily of CaCO3)

Chalk (Sedimentary Pebble) (Calcium Carbonate (CaCO3) - Biogenic Limestone) — sedimentary

Chalk (Sedimentary Pebble)

Calcium Carbonate (CaCO3) - Biogenic Limestone

Coquina (Coquina (Bioclastic Limestone)) — sedimentary

Coquina

Coquina (Bioclastic Limestone)

Coquina (Coquina (Bioclastic Limestone)) — sedimentary

Coquina

Coquina (Bioclastic Limestone)

Flint (or Chert) (Cryptocrystalline Quartz (SiO2)) — sedimentary

Flint (or Chert)

Cryptocrystalline Quartz (SiO2)

Green Sandstone (Glauconitic Sandstone) (Glauconitic Sandstone (K(Fe,Al)2(Si,Al)4O10(OH)2)) — sedimentary

Green Sandstone (Glauconitic Sandstone)

Glauconitic Sandstone (K(Fe,Al)2(Si,Al)4O10(OH)2)

Peach Selenite (Satin Spar) (Gypsum (CaSO4·2H2O)) — mineral

Peach Selenite (Satin Spar)

Gypsum (CaSO4·2H2O)

Satin Spar Selenite (Gypsum (Calcium Sulfate Dihydrate, CaSO4·2H2O)) — mineral

Satin Spar Selenite

Gypsum (Calcium Sulfate Dihydrate, CaSO4·2H2O)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Chert (varieties include Flint and Jasper) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Chert (varieties include Flint and Jasper)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Chert (Flint/Jasper) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Flint/Jasper)

Microcrystalline Quartz (SiO2)