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Northwest Africa 6428
Basic information Name: Northwest Africa 6428
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 6428
Observed fall: No
Year found: 2010
Country: Morocco
Mass:help 734 g
Classification
  history:
Meteoritical Bulletin:  MB 100  (2012)  H4
Recommended:  H4    [explanation]

This is 1 of 5948 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 27 Aug 2011
Data from:
  MB100
  Table 1
  Line 1375:
Place of purchase:Tucson
Date:P Feb 2010
Mass (g):734
Pieces:1
Class:H4
Weathering grade:W4
Fayalite (mol%):18.2 (17.5-19.2, n=16)
Ferrosilite (mol%):15.7 (15.3-16.2, n=5)
Wollastonite (mol%):1.5 (0.7-3.1, n=5)
Classifier:C. Corrigan and T. McCoy
Type spec mass (g):27.3, including thin section
Type spec location:SI
Main mass:Bob Evans
Comments:Submitted by C. Corrigan and T. McCoy
Institutions
   and collections
SI: Department of Mineral Sciences, NHB-119, National Museum of Natural History, Smithsonian Institution, Washington, DC 20560, United States; Website (institutional address; updated 16 Jan 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 100, MAPS 49, E1-E101 (2014)
Find references in NASA ADS:
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Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1466 approved meteorites from Morocco (plus 21 unapproved names) (plus 1 impact crater)

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