Mineral (Extraterrestrial)

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

Learn about Mineral (Extraterrestrial) in the encyclopedia

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Glauconite

Hutcheonite

Halite

Sperrylite

Baddeleyite

Anatase

Brookite

Talc

Euxenite

Eltyubyuite

Buergerite

Dolomite

Pegmatite (with Muscovite Mica and Quartz)

Granitic Pegmatite (chiefly KAlSi3O8, SiO2, and KAl2(AlSi3O10)(OH)2)

igneous

Chrysocolla

Hydrated copper silicate - Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O

mineral

Concretion

Septarian Concretion

sedimentary

Tumbled quartz-rich stone, possibly blue quartz or granite

Quartz (SiO₂), with probable feldspar and dark accessory minerals

mineral

Sandstone (Banded)

Arenite

sedimentary

Banded metamorphic rock, likely gneiss

Biotite–quartz–feldspar gneiss, possibly migmatitic

metamorphic

Ammonite fossil

Ammonoidea; likely a polished small ammonite, possibly Cleoniceras

fossil

Weathered quartz-bearing rock, possibly granite or gneiss

Indeterminate; likely quartz–feldspar–mica aggregate, possibly granitic gneiss

igneous

Gneiss

Banded orthogneiss or paragneiss, typically quartz–feldspar–mica bearing

metamorphic

Turtle Stone / Septarian Nodule (Fragment)

Septarian Concretion (Calcite, Aragonite, and Limestone)

sedimentary

Shark Tooth Fossil

Chondrichthyes fossil

fossil

Mica Group Minerals

There isn't a single scientific name as 'Mica' refers to a group of phyllosilicate minerals. Common scientific names include Muscovite (KAl₂ (AlSi₃O₁₀)(OH)₂), Biotite (K(Mg,Fe)₃AlSi₃O₁₀(OH)₂), Phlogopite (KMg₃AlSi₃O₁₀(OH)₂), and Lepidolite (K(Li,Al)₃(Al,Si,Rb)₄O₁₀(F,OH)₂).

Mineral