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Northwest Africa 4550
Basic information Name: Northwest Africa 4550
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 4550
Observed fall: No
Year found: 2006
Country: (Northwest Africa)
Mass:help 70 g
Classification
  history:
Meteoritical Bulletin:  MB 97  (2010)  Diogenite
Recommended:  Diogenite    [explanation]

This is 1 of 481 approved meteorites classified as Diogenite.   [show all]
Search for other: Achondrites, Diogenites, and HED achondrites
Comments: Approved 25 Nov 2009
Data from:
  MB97
  Table 1
  Line 178:
Place of purchase:Erfoud
Date:2006
Mass (g):70
Pieces:1
Class:Diogenite
Fayalite (mol%):37.8
Ferrosilite (mol%):27.4
Wollastonite (mol%):2.2
Classifier:Bunch, NAU
Type spec mass (g):14.3
Type spec location:NAU
Main mass:Aaronson
Institutions
   and collections
NAU: Geology, Bldg 12 Knoles Dr Northern Arizona University, Flagstaff, AZ 86011, United States; Website (institutional address; updated 12 Apr 2012)
Aaronson: Sahara Overland Ltd., Harhora, Temara, 12000, Morocco (private address; updated 3 Jan 2010)
Catalogs:
References: Published in Meteoritical Bulletin, no. 97, MAPS 45, 449-493 (2010)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8037 approved meteorites from (Northwest Africa) (plus 1947 unapproved names)

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