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Northwest Africa 5238
Basic information Name: Northwest Africa 5238
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 5238
Observed fall: No
Year found: 2007
Country: (Northwest Africa)
Mass:help 250 g
Classification
  history:
Recommended:  L3    [explanation]

This is 1 of 819 approved meteorites (plus 1 unapproved name) classified as L3.   [show all]
Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 12 Feb 2022
Writeuphelp
Writeup from MB 111:

Northwest Africa 5238 (NWA 5238)

(Northwest Africa)

Purchased: 2007

Classification: Ordinary chondrite (L3)

History: The meteorite was purchased from a local meteorite dealer in Erfoud, Morocco.

Physical characteristics: Brownish rock without fusion crust.

Petrography: The meteorite shows a chondritic texture with well outlined, mostly rounded and partly packed chondrules (apparent mean diameter about 0.75 mm). The fine-grained matrix contains sulfides and FeNi metal partly altered to Fe-oxides and -hydroxides.

Data from:
  MB111
  Table 0
  Line 0:
Place of purchase:Erfoud, Morocco
Date:P 2007
Mass (g):250.1
Pieces:1
Class:L3
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):14.1±10.8 (1.4-31.0, n=25)
Ferrosilite (mol%):12.7±8.0 (1.2-28.8, n=27)
Wollastonite (mol%):0.6±0.4 (0.2-1.6, n=27)
Magnetic suscept.:4.36
Classifier:A. Greshake, MNB
Type spec mass (g):20.8
Type spec location:MNB
Main mass:Carsten Giessler
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. 111, in preparation (2022)
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)
Dirk Hohmann   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9305 approved meteorites from (Northwest Africa) (plus 1873 unapproved names)

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