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Northwest Africa 2217
Basic information Name: Northwest Africa 2217
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 2217
Observed fall: No
Year found: 2002
Country: (Northwest Africa)
Mass:help 5.66 kg
Classification
  history:
Meteoritical Bulletin:  MB 91  (2007)  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 1 Sep 2006
Data from:
  MB91
  Table 2
  Line 76:
Place of purchase:Tuscon, Arizona
Mass (g):5656
Pieces:1
Class:H4
Shock stage:S1
Weathering grade:W5
Fayalite (mol%):18.0 ± 0.6
Classifier:A. Rubin, UCLA
Type spec mass (g):20.1
Type spec location:UCLA
Main mass:ROM
Comments:Low-Ca Pyx Fs14,8±1.9, Wo0.61±0.34
Institutions
   and collections		 ROM: Royal Ontario Museum, 100 Queen's Park, Toronto, Ontario M5S 2C6, Canada (institutional address; updated 18 Oct 2011)
UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 91, MAPS 42, 413-466 (2007)
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9710 approved meteorites from (Northwest Africa) (plus 1853 unapproved names)
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Revision
  history:
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