Meteoritical Bulletin: Entry for Northwest Africa 1955

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Northwest Africa 1955

Basic information

Name: Northwest Africa 1955
This is an OFFICIAL meteorite name.
Abbreviation: NWA 1955
Observed fall: No
Year found: 2002
Country: Morocco
Mass: 2 kg

Classification
history:

Meteoritical Bulletin:	MB 89	(2005)	H/L3-4
MetBase:	v. 7.1	(2006)	H/L3-4
Recommended:			H/L3-4 [explanation]

This is the only approved meteorite classified as H/L3-4.
Search for other: H chondrites, H chondrites (type 3), H/L chondrites, H/L chondrites (type 3), L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)

Data from:
  MB89
  Table 7
  Line 39:

Origin or pseudonym:	Morocco
Place of purchase:	Rissani
Date:	2002
Mass (g):	2000
Pieces:	several
Class:	H/L3-4
Fayalite (mol%):	20.6
Ferrosilite (mol%):	20.44
Classifier:	P. Sipiera, PSF
Type spec mass (g):	25
Comments:	Wo1.2

Institutions
and collections

PSF: Planetary Studies Foundation,10 Winterwood Lane, Unit B, Galena, Illinois 61036-9283, United States; Website (institutional address; updated 1 Dec 2011)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 89, MAPS 40, A201-A263 (2005)

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Photos:

Credit	Photos
Photos from the Encyclopedia of Meteorites:
Meteorites Australia
Photos uploaded by members of the Encyclopedia of Meteorites. (Caution, these are of unknown reliability)
Cute child
Jacek Szkatula
jean bernard Delbauve
METEORITICON
Ricard Mocholí
Solar Anamnesis
Woreczko Jan & Wadi
Ziyao Wang