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Northwest Africa 5391
Basic information Name: Northwest Africa 5391
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 5391
Observed fall: No
Year found: 2008
Country: (Northwest Africa)
Mass:help 206 g
Classification
  history:
Meteoritical Bulletin:  MB 105  (2016)  Ureilite
Recommended:  Ureilite    [explanation]

This is 1 of 516 approved meteorites classified as Ureilite.   [show all]
Search for other: Achondrites, Ureilites
Comments: Approved 16 Mar 2016
Writeuphelp
Writeup from MB 105:

Northwest Africa 5391 (NWA 5391)

(Northwest Africa)

Purchased: 2008

Classification: Ureilite

History: The meteorite was bought in 2008 on a mineral fair in Bruegg, Switzerland.

Petrography: The meteorite has a cumulate texture with blocky, up to 2 mm sized olivine and pigeonite crystals. Olivine displays reduced rims. The meteorite contains flaky graphite.

Geochemistry: Reduced rims in olivine: Fa5.8-13.8; Cr2O3 in olivine: ~0.7 wt%.

Data from:
  MB105
  Table 0
  Line 0:
Origin or pseudonym:SJS-08011
Place of purchase:Bruegg, Switzerland
Date:P 2008
Mass (g):205.6
Pieces:1
Class:Ureilite
Shock stage:low
Weathering grade:low
Fayalite (mol%):23.8±0.3 (n=31)
Ferrosilite (mol%):9.4±0.5 (8.6-10.4, n=10)
Wollastonite (mol%):8.6±0.8 (7-9.7, n=10)
Classifier:A. Greshake, MNB
Type spec mass (g):21.7
Type spec location:MNB
Main mass:Marc Jost
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
André Knöfel   
aranemac   
Dirk Hohmann                     
eraserhead   
METEORITES AUSTRALIA   
Space Jewels   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7035 approved meteorites from (Northwest Africa) (plus 2000 unapproved names)

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