Rock Identifier

Category

Mineral (Extraterrestrial)

Browse mineral (extraterrestrial) specimens identified by the Rock Identifier community.

Learn about Mineral (Extraterrestrial) in the encyclopedia

Glauconite

Glauconite

Hutcheonite

Hutcheonite

Halite

Halite

Sperrylite

Sperrylite

Baddeleyite

Baddeleyite

Anatase

Anatase

Brookite

Brookite

Talc

Talc

Euxenite

Euxenite

Eltyubyuite

Eltyubyuite

Buergerite

Buergerite

Dolomite

Dolomite

Mica Schist (Muscovite/Biotite Schist) — metamorphic

Mica Schist

Muscovite/Biotite Schist

Yellow Jasper (SiO2 (Silicon Dioxide)) — sedimentary

Yellow Jasper

SiO2 (Silicon Dioxide)

Dyed Howlite (often sold as 'Turquenite') (Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)) — mineral

Dyed Howlite (often sold as 'Turquenite')

Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)

Quartzite Geode or Crystalline Quartz Node (Silicon Dioxide (SiO2)) — metamorphic

Quartzite Geode or Crystalline Quartz Node

Silicon Dioxide (SiO2)

Granite (Phaneritic plutonic rock (approx. 20-60% quartz, 35-90% feldspar)) — igneous

Granite

Phaneritic plutonic rock (approx. 20-60% quartz, 35-90% feldspar)

Serpentine (Serpentinite (rock) containing serpentine minerals (e.g., Antigorite, Lizardite, Chrysotile)) — Metamorphic rock

Serpentine

Serpentinite (rock) containing serpentine minerals (e.g., Antigorite, Lizardite, Chrysotile)

Metamorphic rock

Moss Agate (Silicon Dioxide (SiO2) with mineral inclusions of hornblende or chlorite) — Mineral (variety of Chalcedony)

Moss Agate

Silicon Dioxide (SiO2) with mineral inclusions of hornblende or chlorite

Mineral (variety of Chalcedony)

Diorite (Salt and Pepper Rock) (Diorite) — igneous

Diorite (Salt and Pepper Rock)

Diorite

Diamond (in a jewelry setting) (Carbon (C)) — mineral

Diamond (in a jewelry setting)

Carbon (C)

Diorite (Intrusive Igneous Diorite) — igneous

Diorite

Intrusive Igneous Diorite

Gneiss (High-grade metamorphic rock (Gneiss)) — metamorphic

Gneiss

High-grade metamorphic rock (Gneiss)

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

Granite Pebble

Intrusive Felsic Igneous Rock (Granite)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

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

Granite

Granite (Phaneritic intrusive igneous rock)

Granite Gneiss (Gneiss (High-grade metamorphic rock)) — metamorphic

Granite Gneiss

Gneiss (High-grade metamorphic rock)

Granite (Intrusive igneous felsic rock) — igneous

Granite

Intrusive igneous felsic rock

Greenschist (Greenstone River Pebble) (Greenschist (Chlorite Schist)) — metamorphic

Greenschist (Greenstone River Pebble)

Greenschist (Chlorite Schist)

Siltstone Pebble (Siltstone (composed of microscopic quartz and clay minerals)) — sedimentary

Siltstone Pebble

Siltstone (composed of microscopic quartz and clay minerals)

Sulfur (on Matrix) (Native Sulfur (S8)) — mineral

Sulfur (on Matrix)

Native Sulfur (S8)

Granitic Pegmatite (Coarse-grained Igneous Rock (Granitic composition: KAlSi3O8, SiO2)) — igneous

Granitic Pegmatite

Coarse-grained Igneous Rock (Granitic composition: KAlSi3O8, SiO2)

Quartz with Hematite Staining (Silicon Dioxide (SiO2) with Ferric Oxide (Fe2O3) inclusions) — mineral

Quartz with Hematite Staining

Silicon Dioxide (SiO2) with Ferric Oxide (Fe2O3) inclusions

Gold Quartz (Auriferous Quartz) (Silicon Dioxide (SiO2) with trace Gold (Au) and Iron Oxides) — mineral

Gold Quartz (Auriferous Quartz)

Silicon Dioxide (SiO2) with trace Gold (Au) and Iron Oxides

Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)

Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2) — mineral

Lepidolite

K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2

Diamond (Carbon (C) - Native Element) — mineral

Diamond

Carbon (C) - Native Element

Diamond (Diamond (C)) — mineral

Diamond

Diamond (C)

Pegmatite (Granitic Pegmatite) — igneous

Pegmatite

Granitic Pegmatite

Blue Quartzite (Quartzite (specifically a variety enriched with blue-coloring minerals)) — Metamorphic Rock

Blue Quartzite

Quartzite (specifically a variety enriched with blue-coloring minerals)

Metamorphic Rock

Limonite/Goethite nodule (Goethite (FeO(OH)) with Hydrated Iron Oxides) — mineral

Limonite/Goethite nodule

Goethite (FeO(OH)) with Hydrated Iron Oxides

Epidote (Epidote - Ca2(Al,Fe)3(SiO4)3(OH)) — metamorphic

Epidote

Epidote - Ca2(Al,Fe)3(SiO4)3(OH)

Barite (Barium Sulfate (BaSO4)) — mineral

Barite

Barium Sulfate (BaSO4)

Amygdaloidal Basalt (Amygdaloidal Basalt (Mafic Volcanic Rock)) — igneous

Amygdaloidal Basalt

Amygdaloidal Basalt (Mafic Volcanic Rock)

Schist with Quartz/Mica (Mica Schist (primarily Muscovite and Quartz)) — Metamorphic

Schist with Quartz/Mica

Mica Schist (primarily Muscovite and Quartz)

Red Sandstone (Arenite (ferruginous sandstone)) — sedimentary

Red Sandstone

Arenite (ferruginous sandstone)

Petrified Wood (Silicified Wood (primarily Quartz / Chalcedony: SiO2)) — sedimentary

Petrified Wood

Silicified Wood (primarily Quartz / Chalcedony: SiO2)

Granite (Granite) — Igneous

Granite

Granite

Mica Schist (Mica Schist (predominantly Muscovite or Biotite sheet silicates)) — metamorphic

Mica Schist

Mica Schist (predominantly Muscovite or Biotite sheet silicates)

Quartzite Pebble (Metamorphic Quartzite (predominantly SiO2)) — metamorphic

Quartzite Pebble

Metamorphic Quartzite (predominantly SiO2)

Fossilized Coral (Petoskey Stone or similar Hexagonaria variant) (Hexagonaria percarinata (Fossilized Coral)) — sedimentary

Fossilized Coral (Petoskey Stone or similar Hexagonaria variant)

Hexagonaria percarinata (Fossilized Coral)

Kimberlite (Kimberlite) — igneous

Kimberlite

Kimberlite

Snowflake Obsidian (Volcanic glass containing Cristobalite (SiO2)) — igneous

Snowflake Obsidian

Volcanic glass containing Cristobalite (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)