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Northwest Africa 13889
Basic information Name: Northwest Africa 13889
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13889
Observed fall: No
Year found: 2019
Country: Morocco
Mass:help 21.5 g
Classification
  history:
Recommended:  Pallasite    [explanation]

This is 1 of 74 approved meteorites classified as Pallasite.   [show all]
Search for other: Metal-rich meteorites, Pallasites
Comments: Approved 28 Aug 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 13889 (NWA 13889)

Morocco

Purchased: 2019

Classification: Pallasite

History: (Ziyao Wang) Purchased by Weijiang from a Moroccan dealer at the China Mineral & Gem Show in Beijing City in Nov. 2019

Physical characteristics: (Ziyao Wang) A 21.5 g iron with many yellow-green crystals on the surface

Petrography: (R. Bartoschewitz, Bart) 3-8 mm rounded fractured olivine grains and intergranular sulfide/phosphide set in fresh metal matrix

Geochemistry: (R. Bartoschewitz, Bart, P. Appel and B. Mader, Kiel) Olivine Fa12.2±0.1 (n=7). Metal Ni 7.0±0.1, Co 0.8 wt% (n=7); troilite and rare nickelphosphide (Ni1.7Fe1.3)P. Magnetic susceptibility (R. Bartoschewitz, Bart) log χ (× 10-9 m3/kg) = 5.55.

Classification: Pallasite

Specimens: 4.3 g on deposit at Kiel, Ziyao Wang holds the main mass, and 5 g with Bart.

Data from:
  MB110
  Table 0
  Line 0:
Origin or pseudonym:desert
Place of purchase:Beijing, China
Date:P 2019
Mass (g):21.5
Pieces:1
Class:Pallasite
Fayalite (mol%):12.2±0.1 (n=7)
Magnetic suscept.:5.55
Classifier:R. Bartoschewitz
Type spec mass (g):4.3
Type spec location:Kiel
Main mass:Weijiang and Ziyao Wang
Finder:anonymous
Comments:working name WZ162; 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)
Beijing: Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China (institutional address; updated 16 Oct 2011)
Catalogs:
References: Published in Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4
Find references in NASA ADS:
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Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1932 approved meteorites from Morocco (plus 27 unapproved names) (plus 1 impact crater)

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