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Northwest Africa 531
Basic information Name: Northwest Africa 531
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 531
Observed fall: No
Year found: 2000
Country: (Northwest Africa)
Mass:help 434 g
Classification
  history:
NHM Catalogue:  5th Edition  (2000)  LL4
Meteoritical Bulletin:  MB 85  (2001)  LL4
MetBase:  v. 7.1  (2006)  LL4
Recommended:  LL4    [explanation]

This is 1 of 368 approved meteorites classified as LL4.   [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Data from:
  MB85
  Table 4
  Line 160:
Place of purchase:Rissani
Date:P 2000?
Mass (g):434
Pieces:1
Class:LL4
Shock stage:S1
Weathering grade:W1
Fayalite (mol%):32-32.9
Ferrosilite (mol%):26-28
Classifier:M. Denise (MNHNP)
Type spec mass (g):19.4
Main mass:anonymous buyer
Institutions
   and collections
MNHNP: Museum National d'Histoire Naturelle, IMPMC-CP52, 57 rue Cuvier, 75005 Paris, France, France; Website (institutional address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 85, MAPS 36, A293-A322 (2001)
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7320 approved meteorites from (Northwest Africa) (plus 1973 unapproved names)

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