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Northwest Africa 1781
Basic information Name: Northwest Africa 1781
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 1781
Observed fall: No
Year found: 2000
Country: (Northwest Africa)
Mass:help 102 g
Classification
  history:
Meteoritical Bulletin:  MB 87  (2003)  H6
MetBase:  v. 7.1  (2006)  H6
Recommended:  H6    [explanation]

This is 1 of 7010 approved meteorites (plus 6 unapproved names) classified as H6.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Data from:
  MB87
  Table 8
  Line 273:
Origin or pseudonym:Morocco
Place of purchase:Rissani
Date:1 Apr 2000
Mass (g):102
Pieces:1
Class:H6
Shock stage:S5
Weathering grade:W2
Fayalite (mol%):18.8
Ferrosilite (mol%):16.3
Classifier:M. Bourot-Denise, MNHNP
Type spec mass (g):39
Main mass:Fectay
Institutions
   and collections		 MNHNP: Museum National d'Histoire Naturelle, IMPMC-CP52, 57 rue Cuvier, 75005 Paris, France, France; Website (institutional address)
Fectay: Bruno Fectay and Carine Bidaut, La Memoire de la Terre SARL, 39800 Aumont, France; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 87, MAPS 38, A189-A248 (2003)
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9914 approved meteorites from (Northwest Africa) (plus 1841 unapproved names)

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