Rock Identifier

Category

Sedimentary Or Igneous

Browse sedimentary or igneous specimens identified by the Rock Identifier community.

Learn about Sedimentary Or Igneous in the encyclopedia

Carbonatite

Carbonatite

Conglomerate

Conglomerate

Quartzite Sandstone

Quartzite Sandstone

Breccia

Breccia

Ironstone

Ironstone

Troctolite

Troctolite

Lamproite

Lamproite

Kimberlite

Kimberlite

Gabbro

Gabbro

Diorite

Diorite

Basalt

Basalt

Pyroxenite

Pyroxenite

Granite (Phaneritic plutonic rock (SiO2 typically >69%)) — igneous

Granite

Phaneritic plutonic rock (SiO2 typically >69%)

Shale with Siltstone layering (Sedimentary Clastic Rock (Mudstone/Shale)) — sedimentary

Shale with Siltstone layering

Sedimentary Clastic Rock (Mudstone/Shale)

Sandstone (Quartz Sandstone) (Arenite (primarily SiO2)) — sedimentary

Sandstone (Quartz Sandstone)

Arenite (primarily SiO2)

Sandstone (lithic) (Lithic Wacke / Arenite) — sedimentary

Sandstone (lithic)

Lithic Wacke / Arenite

Pink Tourmaline in Quartz (Elbaite [Na(Li,Al)3Al6(BO3)3Si6O18(OH)4] in Quartz [SiO2]) — igneous

Pink Tourmaline in Quartz

Elbaite [Na(Li,Al)3Al6(BO3)3Si6O18(OH)4] in Quartz [SiO2]

Green Aventurine (Aventurine (Silicon dioxide, SiO₂)) — Mineral; variety of Quartz

Green Aventurine

Aventurine (Silicon dioxide, SiO₂)

Mineral; variety of Quartz

Calcite (Calcite (Mineral, Calcium Carbonate - CaCO3)) — Mineral

Calcite

Calcite (Mineral, Calcium Carbonate - CaCO3)

Granite Gneiss (Gneiss (derived from granitic protolith)) — metamorphic

Granite Gneiss

Gneiss (derived from granitic protolith)

Gneiss (Gneiss (a type of metamorphic rock)) — Metamorphic Rock

Gneiss

Gneiss (a type of metamorphic rock)

Metamorphic Rock

Banded Gneiss (Gneiss (pronounced "nice")) — metamorphic

Banded Gneiss

Gneiss (pronounced "nice")

Orange Calcite (Calcite (CaCO3)) — Mineral

Orange Calcite

Calcite (CaCO3)

Chalk (Sedimentary Limestone) (Calcite (CaCO3)) — sedimentary

Chalk (Sedimentary Limestone)

Calcite (CaCO3)

Granite Glacial Erratic (Granite (Phaneritic Quartz-Feldspar Plutonic Rock)) — igneous

Granite Glacial Erratic

Granite (Phaneritic Quartz-Feldspar Plutonic Rock)

Obsidian (Volcanic Glass (Primary composition: SiO2 - Silicon Dioxide)) — igneous

Obsidian

Volcanic Glass (Primary composition: SiO2 - Silicon Dioxide)

Dalmatian Jasper (Peralkaline rock with Tourmaline spots) — igneous

Dalmatian Jasper

Peralkaline rock with Tourmaline spots

Granite (Granite (a plutonic igneous rock)) — Igneous

Granite

Granite (a plutonic igneous rock)

Dalmatian Stone (Dalmatian Jasper (Aplitic Perthite)) — igneous

Dalmatian Stone

Dalmatian Jasper (Aplitic Perthite)

Granite (Phaneritic plutonic rock (composed mainly of SiO2, Al2O3, K2O, and Na2O)) — igneous

Granite

Phaneritic plutonic rock (composed mainly of SiO2, Al2O3, K2O, and Na2O)

Limonite with Trace Fossils (Hydrous Iron Oxide Mixture (FeO(OH)·nH2O)) — sedimentary

Limonite with Trace Fossils

Hydrous Iron Oxide Mixture (FeO(OH)·nH2O)

Olivine in Basalt matrix (Peridotite (Mg, Fe)2SiO4) — igneous

Olivine in Basalt matrix

Peridotite (Mg, Fe)2SiO4

Knightia Fossil in Limestone (Knightia eocaena in micritic limestone) — sedimentary

Knightia Fossil in Limestone

Knightia eocaena in micritic limestone

Puddingstone (Gowganda) (Gowganda Formation Conglomerate) — sedimentary

Puddingstone (Gowganda)

Gowganda Formation Conglomerate

Sandstone (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone

Clastic sedimentary rock (primarily SiO2)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Yellow Calcite (Calcium Carbonate (CaCO3)) — mineral

Yellow Calcite

Calcium Carbonate (CaCO3)

Yellow Calcite (Calcium Carbonate (CaCO3)) — mineral

Yellow Calcite

Calcium Carbonate (CaCO3)

Granite (Granite) — igneous

Granite

Granite

Granite (Phaneritic Plutonic Igneous Rock (primarily composed of quartz, alkali feldspar, and plagioclase)) — igneous

Granite

Phaneritic Plutonic Igneous Rock (primarily composed of quartz, alkali feldspar, and plagioclase)

Olivine (Peridot) (Magnesium Iron Silicate (Mg,Fe)2SiO4) — mineral

Olivine (Peridot)

Magnesium Iron Silicate (Mg,Fe)2SiO4

Labradorite (likely Black Labradorite or Larvikite) (Labradorite (Na,Ca)(Al,Si)4O8. If a rock, it is typically anorthosite, gabbro, or norite, or a variety of syenite called Larvikite if it is specifically from Larvik, Norway.) — Mineral/Igneous Rock

Labradorite (likely Black Labradorite or Larvikite)

Labradorite (Na,Ca)(Al,Si)4O8. If a rock, it is typically anorthosite, gabbro, or norite, or a variety of syenite called Larvikite if it is specifically from Larvik, Norway.

Mineral/Igneous Rock

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

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

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

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Amazonite (K(AlSi3O8) - Potassium Aluminum Silicate (variety of Microcline)) — mineral

Amazonite

K(AlSi3O8) - Potassium Aluminum Silicate (variety of Microcline)

Sodalite (Na8(Al6Si6O24)Cl2) — mineral

Sodalite

Na8(Al6Si6O24)Cl2

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

Black Tourmaline (Schorl)

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

Rainbow Moonstone (White Labradorite (Feldspar variety)) — mineral

Rainbow Moonstone

White Labradorite (Feldspar variety)

Moss Agate (SiO2 with impurities (Chalcedony)) — Mineral/Gemstone

Moss Agate

SiO2 with impurities (Chalcedony)

Mineral/Gemstone

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Ruby in Zoisite (Anyolite (composite of Corundum and Zoisite)) — metamorphic

Ruby in Zoisite

Anyolite (composite of Corundum and Zoisite)

Garnet (Pyrope or Almandine (X3Y2(SiO4)3)) — mineral

Garnet

Pyrope or Almandine (X3Y2(SiO4)3)

Amethyst (Tumbled) (Silicon Dioxide (SiO2 with iron impurities)) — mineral

Amethyst (Tumbled)

Silicon Dioxide (SiO2 with iron impurities)

Peridot (Olivine ((Mg, Fe)2SiO4)) — mineral

Peridot

Olivine ((Mg, Fe)2SiO4)