Rock Identifier

Category

Mineral (Extraterrestrial)

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

Learn about Mineral (Extraterrestrial) in the encyclopedia

Glauconite

Hutcheonite

Halite

Sperrylite

Baddeleyite

Anatase

Brookite

Talc

Euxenite

Eltyubyuite

Buergerite

Dolomite

Botryoidal Chalcedony / Quartz (Silicon Dioxide (SiO2)) — mineral

Botryoidal Chalcedony / Quartz

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Mica (Muscovite or Biotite) (Sheet silicate mineral group (e.g., KAl2(AlSi3O10)(F,OH)2)) — mineral

Mica (Muscovite or Biotite)

Sheet silicate mineral group (e.g., KAl2(AlSi3O10)(F,OH)2)

Epidote (Epidote (Ca2(Al,Fe)3(SiO4)3(OH))) — mineral

Epidote

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

Feldspar (Aluminosilicate (KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8)) — mineral

Feldspar

Aluminosilicate (KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8)

Mica / Muscovite or Biotite (Phyllosilicate mineral group (e.g., KAl2(AlSi3O10)(OH)2)) — mineral

Mica / Muscovite or Biotite

Phyllosilicate mineral group (e.g., KAl2(AlSi3O10)(OH)2)

K-Feldspar (Potassium Feldspar) (Potassium Feldspar (KAlSi3O8)) — mineral

K-Feldspar (Potassium Feldspar)

Potassium Feldspar (KAlSi3O8)

Chalcopyrite (Peacock Ore) (Chalcopyrite (CuFeS2)) — mineral

Chalcopyrite (Peacock Ore)

Chalcopyrite (CuFeS2)

Limonite (FeO(OH)·nH2O) — mineral

Limonite

FeO(OH)·nH2O

Banded Gneiss Pebble (Gneiss (Metamorphic Rock)) — metamorphic

Banded Gneiss Pebble

Gneiss (Metamorphic Rock)

Greenschist (Chlorite Schist) (Greenschist (containing Chlorite, Actinolite, and Epidote)) — metamorphic

Greenschist (Chlorite Schist)

Greenschist (containing Chlorite, Actinolite, and Epidote)

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

Granite Gneiss

Gneiss (high-grade metamorphic rock)

Copper Ore (Malachite and Limonite bearing) (Cuprite, Malachite, and Limonite mixture) — mineral

Copper Ore (Malachite and Limonite bearing)

Cuprite, Malachite, and Limonite mixture

Banded Iron Formation (Fragment) (Banded Iron Formation (BIF)) — sedimentary

Banded Iron Formation (Fragment)

Banded Iron Formation (BIF)

Calcite (Honey Calcite and Agate) (Calcium Carbonate (CaCO3)) — mineral

Calcite (Honey Calcite and Agate)

Calcium Carbonate (CaCO3)

Yellow Quartz (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz

Silicon Dioxide (SiO2)

Quartz crystal cluster in matrix (Silicon dioxide (SiO2)) — mineral

Quartz crystal cluster in matrix

Silicon dioxide (SiO2)

Alabaster (Gypsum (Calcium Sulfate Dihydrate, CaSO4·2H2O)) — sedimentary

Alabaster

Gypsum (Calcium Sulfate Dihydrate, CaSO4·2H2O)

Picture Jasper (Silicon Dioxide (SiO2) with iron oxide and silicate minerals) — sedimentary

Picture Jasper

Silicon Dioxide (SiO2) with iron oxide and silicate minerals

Apatite (Fluorapatite / Chlorapatite (Ca5(PO4)3(F,Cl,OH))) — mineral

Apatite

Fluorapatite / Chlorapatite (Ca5(PO4)3(F,Cl,OH))

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

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Sandstone (Arenite (SiO2 principal composition)) — sedimentary

Sandstone

Arenite (SiO2 principal composition)

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Conglomerate / Breccia Matrix (Aggregated Rock) (Sedimentary Breccia / Conglomerate) — sedimentary

Conglomerate / Breccia Matrix (Aggregated Rock)

Sedimentary Breccia / Conglomerate

Gneiss (Banded Gneiss Cobble) (Gneiss) — metamorphic

Gneiss (Banded Gneiss Cobble)

Gneiss

Amygdaloidal Basalt with Epidote/Chlorite (Basalt (containing (Ca2(Al2Fe3+)(SiO4)(Si2O7)O(OH)))) — igneous

Amygdaloidal Basalt with Epidote/Chlorite

Basalt (containing (Ca2(Al2Fe3+)(SiO4)(Si2O7)O(OH)))

Green Fluorite (Calcium fluoride (CaF2)) — mineral

Green Fluorite

Calcium fluoride (CaF2)

Quartz (Druzy) (Silicon Dioxide (SiO2)) — mineral

Quartz (Druzy)

Silicon Dioxide (SiO2)

Fluorite with Quartz coating (Calcium Fluoride (CaF2) with Silicon Dioxide (SiO2)) — mineral

Fluorite with Quartz coating

Calcium Fluoride (CaF2) with Silicon Dioxide (SiO2)

Fluorite (Calcium fluoride, CaF2) — Mineral

Fluorite

Calcium fluoride, CaF2

Milky Quartz with Mineral Inclusions (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz with Mineral Inclusions

Quartz (Silicon Dioxide, SiO2)

Limonite/Goethite (Iron Ore) (Hydrous ferric oxides (FeO(OH)·nH2O)) — mineral

Limonite/Goethite (Iron Ore)

Hydrous ferric oxides (FeO(OH)·nH2O)

Limonite (Iron Ore) (FeO(OH)·nH2O (Hydrated iron(III) oxide-hydroxide mixture)) — mineral

Limonite (Iron Ore)

FeO(OH)·nH2O (Hydrated iron(III) oxide-hydroxide mixture)

Iron Ore (Limonite and Hematite) (Goethite/Limonite (FeO(OH)·nH2O) and Hematite (Fe2O3)) — mineral

Iron Ore (Limonite and Hematite)

Goethite/Limonite (FeO(OH)·nH2O) and Hematite (Fe2O3)

Quartz geode (Microcrystalline and crystalline quartz (SiO₂), likely chalcedony-lined geode) — mineral

Quartz geode

Microcrystalline and crystalline quartz (SiO₂), likely chalcedony-lined geode

Petrified Wood / Fossilized Wood (Silicified Wood (Silicon Dioxide - SiO2)) — fossil

Petrified Wood / Fossilized Wood

Silicified Wood (Silicon Dioxide - SiO2)

Limonite / Ironstone (Hydrated Iron Oxide (FeO(OH)·nH2O)) — mineral

Limonite / Ironstone

Hydrated Iron Oxide (FeO(OH)·nH2O)

Limonite (Iron Ore) (FeO(OH)·nH2O) — mineral

Limonite (Iron Ore)

FeO(OH)·nH2O

Black Sand (Magnetite Sand) (Magnetite (Fe3O4)) — mineral

Black Sand (Magnetite Sand)

Magnetite (Fe3O4)

Schist (Schist) — metamorphic

Schist

Schist

Mixed Mineral and Fossil Collection (Multi-specimen assemblage (SiO2, CaCO3, FeS2, etc.)) — mineral

Mixed Mineral and Fossil Collection

Multi-specimen assemblage (SiO2, CaCO3, FeS2, etc.)