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Northwest Africa 13553
Basic information Name: Northwest Africa 13553
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13553
Observed fall: No
Year found: 2020
Country: (Northwest Africa)
Mass:help 455 g
Classification
  history:
Recommended:  L5    [explanation]

This is 1 of 7217 approved meteorites (plus 4 unapproved names) classified as L5.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 12 Nov 2020
Writeuphelp
Writeup from MB 109:

Northwest Africa 13553 (NWA 13553)

(Northwest Africa)

Purchased: 2020

Classification: Ordinary chondrite (L5)

History: The meteorite was found near Lahmada, Western Sahara, and purchased from the main mass holder from a Morrocan dealer.

Physical characteristics: Dark brownish fragment without fusion crust.

Petrography: The plagioclase grain size is about 40 µm.

Data from:
  MB109
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2020
Mass (g):455
Pieces:1
Class:L5
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):23.8±0.2 (n=5)
Ferrosilite (mol%):20.4±0.1 (n=5)
Wollastonite (mol%):1.6±0.1 (n=5)
Classifier:A. Greshake, MNB
Type spec mass (g):35.8
Type spec location:MNB
Main mass:anonymous
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 109, in preparation (2020)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7885 approved meteorites from (Northwest Africa) (plus 1958 unapproved names)

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