Description
Nice endcut with fusion crust.
Delivered with certificate in a membrane box.
NWA 13486 Martian #1 – 1,7 g
303,20 $
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
Additional information
| Weight | 1,7 g |
|---|---|
| Dimensions | 2 × 1 × 0,4 cm |
| Form | Endcut |
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