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

Sandstone Concretion (Clastic Sedimentary Concretion (primarily SiO2 with Fe2O3 cement)) — sedimentary

Sandstone Concretion

Clastic Sedimentary Concretion (primarily SiO2 with Fe2O3 cement)

Limonite Concretion (Ironstone) (Limonite / Goethite (FeO(OH)·nH2O)) — sedimentary

Limonite Concretion (Ironstone)

Limonite / Goethite (FeO(OH)·nH2O)

Sandstone Concretion (Ferruginous Sandstone Concretion (SiO2 + FeO(OH))) — sedimentary

Sandstone Concretion

Ferruginous Sandstone Concretion (SiO2 + FeO(OH))

Sandstone Concretion (Ferruginous Sandstone Concretion (Primarily SiO2 with Iron Oxide cement)) — sedimentary

Sandstone Concretion

Ferruginous Sandstone Concretion (Primarily SiO2 with Iron Oxide cement)

Larimar (Blue Pectolite (NaCa2Si3O8(OH))) — mineral

Larimar

Blue Pectolite (NaCa2Si3O8(OH))

Red Swirl Beads (Likely Resin or Glass, simulating Red Jasper or Agate) (N/A (for the beads as pictured); Red Jasper: SiO2 (Chert variety); Red Agate: SiO2 (Chalcedony variety)) — Organic (if resin) or Synthetic (if glass); simulating Sedimentary or Metamorphic (for natural stones)

Red Swirl Beads (Likely Resin or Glass, simulating Red Jasper or Agate)

N/A (for the beads as pictured); Red Jasper: SiO2 (Chert variety); Red Agate: SiO2 (Chalcedony variety)

Organic (if resin) or Synthetic (if glass); simulating Sedimentary or Metamorphic (for natural stones)

Hematite Concretion (Iron(III) oxide (Fe2O3)) — mineral

Hematite Concretion

Iron(III) oxide (Fe2O3)

Limonite Concretion (Ironstone) (Limonite (FeO(OH)·nH2O) / Goethite) — sedimentary

Limonite Concretion (Ironstone)

Limonite (FeO(OH)·nH2O) / Goethite

Sandstone with Ironstone Concretion (Arenite with Hematite/Goethite nodules (Fe2O3 / FeO(OH))) — sedimentary

Sandstone with Ironstone Concretion

Arenite with Hematite/Goethite nodules (Fe2O3 / FeO(OH))

Concretionary Sandstone (Clastic Sedimentary Rock (Sandstone with secondary mineral cementation)) — sedimentary

Concretionary Sandstone

Clastic Sedimentary Rock (Sandstone with secondary mineral cementation)

Sandstone Concretion (Ferruginous Sandstone Concretion) — sedimentary

Sandstone Concretion

Ferruginous Sandstone Concretion

Ironstone Concretion / Limonite (Goethite and Limonite (FeO(OH)·nH2O)) — sedimentary

Ironstone Concretion / Limonite

Goethite and Limonite (FeO(OH)·nH2O)

Charoite ((K,Sr,Ba,Ca)15-16(Na,Ca)8(Si,Al)24O60(OH,F)4 · nH2O (Hydrated silicate of potassium, calcium, and sodium)) — metamorphic

Charoite

(K,Sr,Ba,Ca)15-16(Na,Ca)8(Si,Al)24O60(OH,F)4 · nH2O (Hydrated silicate of potassium, calcium, and sodium)

Sandstone Chert Concretion (Silica-cemented Concretion (primarily SiO2)) — sedimentary

Sandstone Chert Concretion

Silica-cemented Concretion (primarily SiO2)

Ferruginous Sandstone Concretion (Ironstone Phosphorite) (Ferruginous Sandstone (variable Fe-oxide/hydroxide composition)) — sedimentary

Ferruginous Sandstone Concretion (Ironstone Phosphorite)

Ferruginous Sandstone (variable Fe-oxide/hydroxide composition)

Ferruginous Sandstone (Ironstone Nodules) (Ferruginous Quartz-Arenite (with Goethite/Hematite cement)) — sedimentary

Ferruginous Sandstone (Ironstone Nodules)

Ferruginous Quartz-Arenite (with Goethite/Hematite cement)

Ironstone Concretion (Limonite/Goethite) (Ferruginous Sandstone or Limonite (FeO(OH)·nH2O)) — sedimentary

Ironstone Concretion (Limonite/Goethite)

Ferruginous Sandstone or Limonite (FeO(OH)·nH2O)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Ferruginous Sandstone (Ironstone Nodules) (Ferruginous Sandstone with Limonite/Goethite coating (Fe2O3·H2O)) — sedimentary

Ferruginous Sandstone (Ironstone Nodules)

Ferruginous Sandstone with Limonite/Goethite coating (Fe2O3·H2O)

Ironstone Concretion (Siderite or Hematite-bonded Concretion) — sedimentary

Ironstone Concretion

Siderite or Hematite-bonded Concretion

Nephrite Jade (Tremolite-Actinolite solid solution series [Ca2(Mg,Fe)5Si8O22(OH)2]) — metamorphic

Nephrite Jade

Tremolite-Actinolite solid solution series [Ca2(Mg,Fe)5Si8O22(OH)2]

Sodalite (Sodalite (Na8(Al6Si6O24)Cl2)) — mineral

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

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

Lapis Lazuli

Lapis Lazuli (Complex aggregate of Lazurite (Na,Ca)8(AlSiO4)6(SO4,S,Cl,OH)2, Pyrite, and Calcite)

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

Blue Apatite

Fluoroapatite (Ca5(PO4)3F)

Sodalite (Na8(Al6Si6O24)Cl2) — mineral

Sodalite

Na8(Al6Si6O24)Cl2

Ruby (Raw Corundum) (Corundum (Al2O3) with Chromium traces) — mineral

Ruby (Raw Corundum)

Corundum (Al2O3) with Chromium traces

Ironstone Concretion (Siderite or Hematite Concretion) — sedimentary

Ironstone Concretion

Siderite or Hematite Concretion

Sodalite (Sodalite (Na8(Al6Si6O24)Cl2)) — mineral

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Spinel (Magnesium Aluminum Oxide (MgAl2O4)) — mineral

Spinel

Magnesium Aluminum Oxide (MgAl2O4)

Blue Apatite (Apatite (Group), Ca5(PO4)3(F,Cl,OH)) — mineral

Blue Apatite

Apatite (Group), Ca5(PO4)3(F,Cl,OH)

Sodalite (Sodalite (Na8(Al6Si6O24)Cl2)) — mineral

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Mica (Phlogopite or Biotite group (KMg3(AlSi3O10)(F,OH)2 / K(Mg,Fe)3AlSi3O10(OH)2)) — mineral

Mica

Phlogopite or Biotite group (KMg3(AlSi3O10)(F,OH)2 / K(Mg,Fe)3AlSi3O10(OH)2)

Sodalite (Na8(Al6Si6O24)Cl2) — mineral

Sodalite

Na8(Al6Si6O24)Cl2

Sodalite (Sodalite (Na8Al6Si6O24Cl2)) — mineral

Sodalite

Sodalite (Na8Al6Si6O24Cl2)

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

Ruby

Corundum (Al2O3 with Chromium traces)

Black Tourmaline (Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)) — mineral

Black Tourmaline

Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)

Tourmaline (Complex Borosilicate - Na(Li,Al)3Al6(BO3)3Si6O18(OH)4 (Elbaite species)) — mineral

Tourmaline

Complex Borosilicate - Na(Li,Al)3Al6(BO3)3Si6O18(OH)4 (Elbaite species)

Lapis Lazuli (in Matrix) (Lazurite-bearing Metamorphic Rock (Na,Ca)8(AlSiO4)6(SO4,S,Cl)2) — metamorphic

Lapis Lazuli (in Matrix)

Lazurite-bearing Metamorphic Rock (Na,Ca)8(AlSiO4)6(SO4,S,Cl)2

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

Ruby

Corundum (Al2O3 with Chromium traces)

Black Tourmaline (Schorl) (Schorl (Sodium iron aluminum borosilicate hydroxide) NaFe3Al6(BO3)3Si6O18(OH)4) — mineral

Black Tourmaline (Schorl)

Schorl (Sodium iron aluminum borosilicate hydroxide) NaFe3Al6(BO3)3Si6O18(OH)4

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

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Hematite Nodules (Moqui Marbles) (Ferric Oxide (Fe2O3)) — mineral

Hematite Nodules (Moqui Marbles)

Ferric Oxide (Fe2O3)