Meteoritical Bulletin: Entry for Northwest Africa 12527

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Northwest Africa 12527

Basic information

Name: Northwest Africa 12527
This is an OFFICIAL meteorite name.
Abbreviation: NWA 12527
Observed fall: No
Year found: 2017
Country: (Northwest Africa)
Mass: 18.2 g

Classification
history:

Meteoritical Bulletin:	MB 108	(2020)	Acapulcoite
Recommended:			Acapulcoite [explanation]

This is 1 of 91 approved meteorites classified as Acapulcoite. [show all]
Search for other: Acapulcoite-lodranite family, Acapulcoites, and Primitive achondrites

Comments:

Approved 14 Sep 2019

Writeup

help

Writeup from MB 108:

Northwest Africa 12527 (NWA 12527)

(Northwest Africa)

Purchased: 2017

Classification: Primitive achondrite (Acapulcoite)

History: (Ziyao Wang) Purchased by Ziyao Wang from Hamza Lharbi in Guelmim in 2017.

Physical characteristics: (Ziyao Wang) one dark-brown stone of 18.2 g with smooth appearance, without fusion crust.

Petrography: (R. Bartoschewitz, Bart) Strongly recrystallized texture with olivine, pyroxene, plagioclase, and interstitial metal and sulfide.

Geochemistry: (R. Bartoschewitz, Bart, P. Appel and B. Mader, Kiel) Olivine Fa_7.7±0.2, FeO/MnO=16 (n=6); pyroxene Fs_8.3±0.2Wo_1.7±0.3, FeO/MnO=12 (n=9); Ca-pyroxene En₅₁Fs₄Wo₄₅(n=2); feldspar An₁₅Or₄(n=2); chromite CRAL53, FFM68 (n=1). Kamacite Ni=7.7, Co=0.7 (n=3) (all wt-%); plessite, troilite. Magnetic susceptibility (R. Bartoschewitz, Bart) log χ (× 10^-9 m³/kg) = 4.75

Classification: Primitive achondrite (acapulcoite)

Specimens: 3.7 g on deposit at Kiel, Ziyao Wang holds the main mass, and 2.7 g with Bart.

Data from:
  MB108
  Table 0
  Line 0:

Origin or pseudonym:	desert
Place of purchase:	Guelmim,Morocco
Date:	P 2017
Mass (g):	18.2
Pieces:	1
Class:	Acapulcoite
Fayalite (mol%):	7.7±0.2 (n=6)
Ferrosilite (mol%):	8.3±0.2 (n=9)
Wollastonite (mol%):	1.7±0.3
Magnetic suscept.:	4.75
Classifier:	R. Bartoschewitz
Type spec mass (g):	3.7
Type spec location:	Kiel
Main mass:	Wang Ziyao
Finder:	anonymous
Comments:	working name WZ106; submitted by R. Bartoschewitz

Institutions
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)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 108 (2020) Meteorit. Planet. Sci. 55, 1146-1150

Find references in NASA ADS:
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Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9344 approved meteorites from (Northwest Africa) (plus 1872 unapproved names)

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