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Northwest Africa 8339
Basic information Name: Northwest Africa 8339
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8339
Observed fall: No
Year found: 2013
Country: (Northwest Africa)
Mass:help 111.4 g
Classification
  history:
Meteoritical Bulletin:  MB 103  (2014)  Eucrite-cm
Recommended:  Eucrite-cm    [explanation]

This is 1 of 56 approved meteorites classified as Eucrite-cm.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 11 Apr 2014
Writeuphelp
Writeup from MB 103:

Northwest Africa 8339 (NWA 8339)

(Northwest Africa)

Purchased: 2013

Classification: HED achondrite (Eucrite, cumulate)

History: Purchased by Ali and Mohammed Hmani in Erfoud, Morocco, 2013.

Physical characteristics: A dozen fragments with identical appearance. Shiny black fusion crust, broken surfaces show coarse white plagioclase and light green pyroxene.

Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows ~75% pyroxene and ~25% plagioclase, grains up to 2000 μm. Accessory troilite, chromite, and silica.

Geochemistry: (C. Agee and N. Muttik, UNM) Low-Ca pyroxene Fs34.5±0.4Wo2.2±0.6, Fe/Mn=31±1, n=34; augite Fs20.3±5.8Wo31.0±10.9, Fe/Mn=27±4, n=3; plagioclase An88.5±1.2, n=5.

Classification: Achondrite (cumulate eucrite).

Specimens: 20.5 g including a probe mount on deposit at UNM, Ali and Mohammed Hmani hold the main mass.

Data from:
  MB103
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2013
Mass (g):111.4
Pieces:12
Class:Eucrite-cm
Ferrosilite (mol%):34.5±0.4, 20.3±5.8
Wollastonite (mol%):2.2±0.6, 31.0±10.9
Classifier:C. Agee, UNM
Type spec mass (g):20.35
Type spec location:UNM
Main mass:Ali and Mohammed Hmani
Comments:Field name OA-6; submitted by C. Agee, UNM
Institutions
   and collections		 UNM: Institute of Meteoritics MSC03 2050 University of New Mexico Albuquerque NM 87131-1126 USA, United States; Website (institutional address; updated 12 Feb 2015)
Hmani: A. Hmani Moroccan Imports, 13 rue Jules Hardouin Mansart, 92600 Asnières, France (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9933 approved meteorites from (Northwest Africa) (plus 1837 unapproved names)

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