NWA 13486 Martian #3 – 0,5 g

89,17 $

Nwa 13486 is a rare meteorite from Mars of only 21 grams.

This meteorite discovered in Algeria has been classified as a shergottite.

Writeup from MB 109:

Northwest Africa 13486 (NWA 13486)

Algeria

Find: 2019

Classification: Martian meteorite (Shergottite)

Physical characteristics: Light grey relatively coarse crystalline rock.

Petrography: (J. Gattacceca, CEREGE) Igneous rock with doleritic texture. Main minerals are zoned pyroxene and maskelynite, with grain size ~500 μm. Other minerals: silica polymorph (100 μm), Fe-Ti oxides (100 μm).

Geochemistry: Pyroxene Fs38.4±11.4Wo19.1±7.3, FeO/MnO = 32.6±3.4 (n=6). Plagioclase An61.3Ab38.3Or0.4 (n=2).

Classification: Achondrite (shergottite).

Specimens: Type specimen at CEREGE. Main mass with J. Bassemon.

Out of stock

Categories: , SKU: dt-008-1-1-1-3-1-1

Description

Nice fragment.
Delivered with certificate in a membrane box.

Additional information

Weight 0,5 g
Dimensions 0,5 × 0,5 × 0,4 cm
Form

Fragment

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