Meteoritical Bulletin: Entry for Northwest Africa 4718

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Northwest Africa 4718

Basic information

Name: Northwest Africa 4718
This is an OFFICIAL meteorite name.
Abbreviation: NWA 4718
Observed fall: No
Year found: 2005
Country: (Northwest Africa)
Mass: 8.8 g

Classification
history:

Meteoritical Bulletin:	MB 93	(2008)	H5
Recommended:			H5 [explanation]

This is 1 of 11372 approved meteorites (plus 22 unapproved names) classified as H5. [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)

Comments:

Approved 26 Feb 2008

Data from:
  MB93
  Table 2
  Line 97:

Place of purchase:	Tucson, USA
Date:	26-Jan-05
Mass (g):	8.8
Pieces:	1
Class:	H5
Shock stage:	S3
Weathering grade:	W2
Fayalite (mol%):	19
Ferrosilite (mol%):	17
Wollastonite (mol%):	1.4
Classifier:	R. Seki and M. Kimura, Ibaraki
Type spec mass (g):	6
Type spec location:	NUM
Main mass:	HM
Comments:	Cut fragment with dark brown fusion crust

Institutions
and collections

NUM: Nagoya University Museum???, Japan (institutional address; updated 3 Mar 2011)
Ibaraki: Department of Materials and Biological Sciences, Institute of Astrophysics and Planetary Science, Ibaraki University, 2-1-1 Bunkyo, Mito 310-8512, Japan (institutional address; updated 27 Feb 2011)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 93, MAPS 43, 571-632 (2008)

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Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9429 approved meteorites from (Northwest Africa) (plus 1876 unapproved names)

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