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Northwest Africa 7672
Basic information Name: Northwest Africa 7672
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7672
Observed fall: No
Year found: 2013
Country: (Northwest Africa)
Mass:help 35 g
Meteoritical Bulletin:  MB 103  (2014)  Diogenite
Recommended:  Diogenite    [explanation]

This is 1 of 481 approved meteorites classified as Diogenite.   [show all]
Search for other: Achondrites, Diogenites, and HED achondrites
Comments: Approved 6 Sep 2014
Writeup from MB 103:

Northwest Africa 7672 (NWA 7672)

(Northwest Africa)

Purchased: 2013 Feb

Classification: HED achondrite (Diogenite)

History: Purchased by GHupé in February 2013 from a dealer at the Tucson Gem and Mineral Show.

Petrography: (A. Irving and S. Kuehner, UWS) Cataclastic texture; pyroxene exhibits undulose extinction. Composed predominantly of orthopyroxene with accessory clinopyroxene, anorthite, chromite, Ni-free metal, and troilite.

Geochemistry: Orthopyroxene (Fs33.5-33.8Wo2.9-2.8; FeO/MnO = 30-32), clinopyroxene (Fs13.9-14.0Wo43.7±0.0; FeO/MnO = 23-24).

Classification: Diogenite.

Specimens: A total of 7.3 g of material and one polished thin section are on deposit at UWB. Aaronson holds the main mass.

Data from:
  Table 0
  Line 0:
Place of purchase:Tucson
Date:P 2013 Feb
Mass (g):35
Shock stage:low
Weathering grade:low
Ferrosilite (mol%):see text
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):7.3
Type spec location:UWB
Main mass:GHupé
Comments:M1467; submitted by A. Irving
   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)
GHupé: Gregory M. Hupé, 9003 Placid Lakes Blvd., Lake Placid, FL 33852, United States; Website (private address)
References: Published in Meteoritical Bulletin, no. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full
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     This is 1 of 8025 approved meteorites from (Northwest Africa) (plus 1951 unapproved names)

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