Rock Identifier

Category

Sedimentary Or Igneous

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

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Citrine (Crystalline Quartz (SiO2) with iron impurities) — mineral

Citrine

Crystalline Quartz (SiO2) with iron impurities

Quartz Mineral (Silicon Dioxide (SiO2)) — mineral

Quartz Mineral

Silicon Dioxide (SiO2)

Rose Quartz (Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese) — mineral

Rose Quartz

Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese

Peach Moonstone (Potassium Aluminum Silicate, KAlSi3O8) — mineral

Peach Moonstone

Potassium Aluminum Silicate, KAlSi3O8

Blue Lace Agate (Chalcedony (Silicon Dioxide, SiO2)) — mineral

Blue Lace Agate

Chalcedony (Silicon Dioxide, SiO2)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

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

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Sodalite (Na8(Al6Si6O24)Cl2 (Sodium Aluminum Silicate Chloride)) — mineral

Sodalite

Na8(Al6Si6O24)Cl2 (Sodium Aluminum Silicate Chloride)

Amazonite (K(AlSi3O8), Microcline (potassium feldspar)) — mineral

Amazonite

K(AlSi3O8), Microcline (potassium feldspar)

Amazonite (KAlSi3O8 (Potassium Aluminum Silicate)) — mineral

Amazonite

KAlSi3O8 (Potassium Aluminum Silicate)

Carnelian (SiO2 (Silicon Dioxide) - Carnelian Agate/Chalcedony) — mineral

Carnelian

SiO2 (Silicon Dioxide) - Carnelian Agate/Chalcedony

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

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Sodalite (Sodalite (Na8Al6Si6O24Cl2)) — mineral

Sodalite

Sodalite (Na8Al6Si6O24Cl2)

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

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Banded Agate (specifically Carnelian Agate) (Silicon dioxide (SiO2) - Chalcedony variety) — mineral

Banded Agate (specifically Carnelian Agate)

Silicon dioxide (SiO2) - Chalcedony variety

Ironstone Concretion / Limonite-stained Siltstone (Ironstone (primarily Limonite FeO(OH)·nH2O and Siltstone)) — sedimentary

Ironstone Concretion / Limonite-stained Siltstone

Ironstone (primarily Limonite FeO(OH)·nH2O and Siltstone)

Red Granite (Phaneritic Felsic Intrusive Igneous Rock) — igneous

Red Granite

Phaneritic Felsic Intrusive Igneous Rock

Pink Granite (Granite (Phaneritic Acid Igneous Rock)) — igneous

Pink Granite

Granite (Phaneritic Acid Igneous Rock)

River Stone (Basalt or fine-grained Schist) (Mafic Igneous Rock / Volcanic Basalt) — igneous

River Stone (Basalt or fine-grained Schist)

Mafic Igneous Rock / Volcanic Basalt

Granite Pebble (Intrusive Felsic Igneous Rock (Granite)) — igneous

Granite Pebble

Intrusive Felsic Igneous Rock (Granite)

Granite Cobble (Granite (Felsic intrusive igneous rock)) — igneous

Granite Cobble

Granite (Felsic intrusive igneous rock)

Diorite (Phaneritic intermediate intrusive igneous rock) — igneous

Diorite

Phaneritic intermediate intrusive igneous rock

Granite (Granite (Phaneritic intrusive igneous rock)) — igneous

Granite

Granite (Phaneritic intrusive igneous rock)

Basalt (Basalt (Mafic Extrusive Igneous Rock)) — igneous

Basalt

Basalt (Mafic Extrusive Igneous Rock)

Vesicular Basalt (or Scoria) (Mafic extrusive igneous rock with vesicles) — igneous

Vesicular Basalt (or Scoria)

Mafic extrusive igneous rock with vesicles

Vesicular Basalt (Aphanitic Mafic Igneous Rock (with vesicles)) — igneous

Vesicular Basalt

Aphanitic Mafic Igneous Rock (with vesicles)

Granite Pebble (Granite (Felsic intrusive igneous rock)) — igneous

Granite Pebble

Granite (Felsic intrusive igneous rock)

Granite (Granite (Phaneritic intrusive igneous rock)) — igneous

Granite

Granite (Phaneritic intrusive igneous rock)

Granite Pebble (Phaneritic Felsic Igneous Rock (Granite)) — igneous

Granite Pebble

Phaneritic Felsic Igneous Rock (Granite)

Basalt (Basalt (Aphanitic Mafic Igneous Rock)) — igneous

Basalt

Basalt (Aphanitic Mafic Igneous Rock)

Basalt River Pebble (Basalt (Aphanitic Mafic Igneous Rock)) — igneous

Basalt River Pebble

Basalt (Aphanitic Mafic Igneous Rock)

Basalt (Basalt (Aphanitic Mafic Igneous Rock)) — igneous

Basalt

Basalt (Aphanitic Mafic Igneous Rock)

Granite Pebble (Granite (Felsic Intrusive Igneous Rock)) — igneous

Granite Pebble

Granite (Felsic Intrusive Igneous Rock)

Basalt (Basalt (Aphanitic Mafic Igneous Rock)) — igneous

Basalt

Basalt (Aphanitic Mafic Igneous Rock)

Pink Granite (Phaneritic Felsic Intrusive Igneous Rock) — igneous

Pink Granite

Phaneritic Felsic Intrusive Igneous Rock

Basalt with Weathered Crust (Aphanitic Mafic Igneous Rock (Basalt)) — igneous

Basalt with Weathered Crust

Aphanitic Mafic Igneous Rock (Basalt)

Gabbro with Quartz Vein (Gabbro (mafic intrusive igneous rock)) — igneous

Gabbro with Quartz Vein

Gabbro (mafic intrusive igneous rock)

Basalt with Desert Varnish (Mafic Igneous Rock with Ferromanganese Coating) — igneous

Basalt with Desert Varnish

Mafic Igneous Rock with Ferromanganese Coating

Pink Granite (Phaneritic Felsic Igneous Rock (Granite)) — igneous

Pink Granite

Phaneritic Felsic Igneous Rock (Granite)

Granite (Granite (phaneritic intrusive igneous rock)) — igneous

Granite

Granite (phaneritic intrusive igneous rock)