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Northwest Africa 12526
Basic information Name: Northwest Africa 12526
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 12526
Observed fall: No
Year found: 2017
Country: (Northwest Africa)
Mass:help 13.4 g
Meteoritical Bulletin:  MB 108  (2020)  Acapulcoite
Recommended:  Acapulcoite    [explanation]

This is 1 of 86 approved meteorites classified as Acapulcoite.   [show all]
Search for other: Acapulcoite-lodranite family, Acapulcoites, and Primitive achondrites
Comments: Approved 14 Sep 2019
Writeup from MB 108:

Northwest Africa 12526 (NWA 12526)

(Northwest Africa)

Purchased: 2017

Classification: Primitive achondrite (Acapulcoite)

History: (Ziyao Wang) Purchased by Ziyao Wang from Aziz Habibi in Erfoud, Morocco 2017.

Physical characteristics: (Ziyao Wang) one brown stone of 13.4 g, many fine crystal faces on the surface, without fusion crust.

Petrography: (R. Bartoschewitz, Bart) Strongly recrystallized texture with olivine, pyroxene, and plagioclase. Polished thin section shows completely oxidized metal, while a larger cut fragment presents areas of fresh metal.

Geochemistry: (R. Bartoschewitz, Bart, P. Appel and B. Mader, Kiel) Olivine Fa12.4±0.2, FeO/MnO=23 (n=5); pyroxene Fs11.7±0.1Wo2.2±0.3, FeO/MnO=13 (n=6); Ca-pyroxene En51Fs5Wo44 (n=3); feldspar An19Or3 (n=9); chromite CRAL88, FFM68 (n=1). Oxidized metal: Fe~55, Ni~3, Co~0.2, P~0.3 (n=3) (all wt-%). Magnetic susceptibility (R. Bartoschewitz, Bart) log χ (× 10-9 m3/kg) = 4.51

Classification: Primitive achondrite (acapulcoite)

Specimens: 2.7 g on deposit at Kiel, Ziyao Wang holds the main mass, and 2.9 g with Bart.

Data from:
  Table 0
  Line 0:
Origin or pseudonym:desert
Place of purchase:Erfoud, Morocco
Date:P 2017
Mass (g):13.4
Fayalite (mol%):12.4±0.2 (n=5)
Ferrosilite (mol%):11.7±0.1 (n=6)
Wollastonite (mol%):2.2±0.3
Magnetic suscept.:4.51
Classifier:R. Bartoschewitz
Type spec mass (g):2.7
Type spec location:Kiel
Main mass:Wang Ziyao
Comments:working name WZ105; submitted by R. Bartoschewitz
   and collections
Kiel: Geologisches und Mineralogisches Museum, Institut für Geowissenschaften, Christian-Albrechts-Universität Kiel, Ludewig-Mayn-Str. 10, D-24118 Kiel, Germany, Germany (institutional address; updated 13 Sep 2013)
Bart: Bartoschewitz Meteorite Laboratory, Weiland 37, D-38518 Gifhorn, Germany; Website (private address; updated 30 Nov 2019)
References: Published in Meteoritical Bulletin, no. 108 (2020) Meteorit. Planet. Sci. 55, 1146-1150
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     This is 1 of 8495 approved meteorites from (Northwest Africa) (plus 1899 unapproved names)

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