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Northwest Africa 12503
Basic information Name: Northwest Africa 12503
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 12503
Observed fall: No
Year found: 2018
Country: Morocco
Mass:help 126.4 g
Classification
  history:
Recommended:  H5    [explanation]

This is 1 of 9655 approved meteorites (plus 16 unapproved names) classified as H5.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 3 Aug 2019
Writeuphelp
Writeup from MB 108:

Northwest Africa 12503 (NWA 12503)

Morocco

Purchased: 2018

Classification: Ordinary chondrite (H5)

History: (Ziyao Wang) Purchased by Ziyao Wang from Sbai Mohamed at the mineral show in Beijing in Nov. 2018

Physical characteristics: (Ziyao Wang) stone of 126.4 g without fusion crust

Petrography: (R. Bartoschewitz, Bart) recrystallized matrix with well defined chondrules (PO, PP; 0.4-1.5 mm). Metal is completely oxidized and fills cracks.

Geochemistry: (R. Bartoschewitz, Bart, P. Appel and B. Mader, Kiel) Olivine Fa18.7±0.2 (n=19); pyroxene Fs16.7±0.4Wo1.3±0.1 (n=13). Magnetic susceptibility (R. Bartoschewitz, Bart) log χ (× 10-9 m3/kg) = 4.91

Classification: Ordinary chondrite (H5, S2, W5)

Specimens: 20.2 g on deposit at Kiel, Ziyao Wang holds the main mass, and 27 g with Bart.

Data from:
  MB108
  Table 0
  Line 0:
Origin or pseudonym:desert
Place of purchase:Beijing
Date:P 2018
Mass (g):126.4
Pieces:1
Class:H5
Shock stage:S2
Weathering grade:W5
Fayalite (mol%):18.7±0.2 (n=19)
Ferrosilite (mol%):16.7±0.4 (n=13)
Wollastonite (mol%):1.3±0.1
Magnetic suscept.:4.91
Classifier:R. Bartoschewitz
Type spec mass (g):20.2
Type spec location:Kiel
Main mass:Ziyao Wang
Finder:anonymous
Comments:working name WZ100; 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. 108, in preparation (2019)
Find references in NASA ADS:
Find references in Google Scholar:
Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Wang Ziyao   
Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1417 approved meteorites from Morocco (plus 15 unapproved names) (plus 1 impact crater)

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