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Northwest Africa 7723
Basic information Name: Northwest Africa 7723
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7723
Observed fall: No
Year found: 2012
Country: (Northwest Africa)
Mass:help 300 g
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  EL6
Recommended:  EL6    [explanation]

This is 1 of 120 approved meteorites classified as EL6.   [show all]
Search for other: EL chondrites, Enstatite chondrites, Enstatite chondrites (type 4-7), and Enstatite-rich meteorites
Comments: Approved 6 Sep 2013
Writeuphelp
Writeup from MB 102:

Northwest Africa 7723 (NWA 7723)

(Northwest Africa)

Purchased: 2012-Dec

Classification: Enstatite chondrite (EL6)

History: Purchased in Temara, Morocco by Aaronson in December 2012.

Physical characteristics: A single brown stone (300 g) with little metal visible in the interior.

Petrography: (A. Irving and S. Kuehner, UWS) No chondrules observed. Composed predominantly of enstatite with accessory Si-poor kamacite, daubreelite, pyrrhotite, and pentlandite.

Geochemistry: Enstatite Fs0.2-0.3Wo1.3-1.4, n=3.

Classification: EL6 chondrite.

Specimens: A total of 20 g of type material and one polished thin section are on deposit at UWB. The remaining material is held by Aaronson.

Data from:
  MB102
  Table 0
  Line 0:
Place of purchase:Temara
Date:P 2012-Dec
Mass (g):300
Pieces:1
Class:EL6
Shock stage:S2
Weathering grade:W2
Ferrosilite (mol%):0.2-0.3, n=3
Wollastonite (mol%):1.3-1.4
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):20
Type spec location:UWB
Main mass:A. Aaronson
Comments:M1482; submitted by A. Irving
Institutions
   and collections
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
UWB: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
Aaronson: Sahara Overland Ltd., Harhora, Temara, 12000, Morocco (private address; updated 3 Jan 2010)
Catalogs:
References: Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7328 approved meteorites from (Northwest Africa) (plus 1973 unapproved names)

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