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Northwest Africa 5356
Basic information Name: Northwest Africa 5356
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 5356
Observed fall: No
Year found: 2008
Country: (Northwest Africa)
Mass:help 770 g
Classification
  history:
Meteoritical Bulletin:  MB 101  (2012)  Eucrite
Recommended:  Eucrite    [explanation]

This is 1 of 598 approved meteorites (plus 1 unapproved name) classified as Eucrite.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 29 Nov 2012
Writeuphelp
Writeup from MB 101:

Northwest Africa 5356 (NWA 5356)

(Northwest Africa)

Purchased: March 2008

Classification: HED achondrite (Eucrite)

Petrography: (J. Roszjar and A. Bischoff, IfP) Specimen is composed of medium- (1-3 mm) and fine-grained areas. Fine-grained areas randomly distributed. Medium-grained areas are ophitic to subophitic and dominated by plagioclase and equilibrated pyroxenes (pigeonite, often with augit lamellae), with minor accessory phases. Fine-grained areas recrystallized and dominated by pyroxene, with minor silica and plagioclase and other accessory phases. SiO2 laths to 3 mm are found within the fine-grained areas. Accessory minerals include ilmenite, chromite, fresh Ni-poor metal (indicating W0/1), SiO2, troilite, and rare phosphates and zircon grains.

Geochemistry: Pyroxenes FeO/MnO of 36±3 (N=38). Feldspar composition is in the range of An79-93Or0-1Ab7-20 (N=33).

Data from:
  MB101
  Table 0
  Line 0:
Place of purchase:Erfoud
Date:P March 2008
Mass (g):770
Pieces:1
Class:Eucrite
Weathering grade:W0/1
Ferrosilite (mol%):60±1 (N=22; low-Ca px); 30±1 (N=16; Ca-px)
Wollastonite (mol%):6±1 (low-Ca px) ; 41±1 (Ca-px)
Classifier:J. Roszjar and A. Bischoff, IfP
Type spec mass (g):20
Type spec location:UPVI
Main mass:Moroccan imports
Finder:unknown
Comments:field name: FM53; submitted by J. Roszjar and A. Bischoff
Institutions
   and collections		 IfP: Institut für Planetologie, Wilhelm-Klemm-Str. 10, 48149 Münster, Germany (institutional address; updated 23 Jan 2012)
UPVI: Université Pierre et Marie Curie (Paris VI),Case 110, 4 Place Jussieu, 75005 Paris, France (institutional address; updated 5 Oct 2014)
Catalogs:
References: Published in Meteoritical Bulletin, no. 101, MAPS 50, 1661, September 2015
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)
Also see:
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Revision
  history:
  This lists important revisions made to data for this record.

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