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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 71 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 Meteoritical Bulletin, no. 110, in preparation (2021)
Find references in NASA ADS:
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Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1847 approved meteorites from Morocco (plus 24 unapproved names) (plus 1 impact crater)

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