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Northwest Africa 7720
Basic information Name: Northwest Africa 7720
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7720
Observed fall: No
Year found: 2012
Country: (Northwest Africa)
Mass:help 2.5 kg
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  H4
Recommended:  H4    [explanation]

This is 1 of 6493 approved meteorites (plus 2 unapproved names) classified as H4.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 26 Feb 2013
Data from:
  MB102
  Table 0
  Line 0:
Place of purchase:Temara
Date:P 2012 Dec
Mass (g):2500
Pieces:1
Class:H4
Shock stage:S2
Weathering grade:W0/1
Fayalite (mol%):18.4-18.5
Ferrosilite (mol%):16.2-16.5
Wollastonite (mol%):0.8
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):21.3
Type spec location:UWB
Main mass:A. Aaronson
Comments:M1478; Well-developed, closely-packed, small chondrules and abundant slightly stained metal.; 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, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023)
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
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)
Also see:
  This lists the most popular meteorites among people who looked up this meteorite.
Revision
  history:
  This lists important revisions made to data for this record.

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