Mineral (Extraterrestrial)

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

Granite

Granite (Mainly Quartz, Alkali Feldspar, and Plagioclase)

igneous

Diorite

Diorite (Intermediate intrusive igneous rock)

igneous

Banded Gneiss

Gneiss (high-grade metamorphic silicate rock)

metamorphic

Foliated Metamorphic Rock (likely Gneiss or Schist)

Gneissic Metamorphic Rock

metamorphic

Granite Gneiss

Gneiss (High-grade Metamorphic Rock)

metamorphic

Gneiss

Gneiss (high-grade metamorphic rock)

metamorphic

Limonite Concretion

Limonite (FeO(OH)·nH2O) Pseudomorph

sedimentary

Limonite (Iron Ore)

FeO(OH)·nH2O

mineral

Orthoclase Feldspar

Orthoclase (KAlSi3O8)

mineral

Eudialyte

Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2

mineral

Granite Glacial Erratic

Intrusive Phaneritic Felsic Rock (Granite)

igneous

Greenschist (Chlorite Schist)

Greenschist (Metamorphic rock dominated by chlorite, actinolite, and epidote)

metamorphic

Mica Schist

Mica Schist (primarily Muscovite or Biotite sheet silicates)

metamorphic

Granitic Pegmatite with Schorl Tourmaline

Granitic Pegmatite (Schorl: NaFe3Al6(BO3)3Si6O18(OH)4)

igneous

Jade (likely Jadeite)

Jadeite (a pyroxene mineral) or Nephrite (a variety of amphibole mineral)

Mineral

Green Fluorite

Fluorite (Calcium Fluoride, CaF2)

mineral

Granodiorite

igneous

Gneiss

Gneiss (Metamorphic Rock)

metamorphic

Gneiss

metamorphic

Diorite

Diorite (Intermediate intrusive igneous rock)

igneous

Granite

Granite (Felsic Plutonic Rock)

igneous

Not a rock, mineral, or geological specimen

N/A

Fluorite (specifically Blue John or Banded Fluorite)

Calcium Fluoride (CaF2)

mineral

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