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Northwest Africa 6515
Basic information Name: Northwest Africa 6515
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 6515
Observed fall: No
Year found: 2010
Country: (Northwest Africa)
Mass:help 2.51 kg
Classification
  history:
Meteoritical Bulletin:  MB 99  (2011)  Ureilite
Recommended:  Ureilite    [explanation]

This is 1 of 573 approved meteorites classified as Ureilite.   [show all]
Search for other: Achondrites, Ureilites
Comments: Approved 27 May 2011
Writeuphelp
Writeup from MB 99:

Northwest Africa 6515 (NWA 6515)

(Northwest Africa)

Purchased: 2010

Classification: Ureilite

History: Purchased by Ke Zuokai from a meteorite dealer. The stone is covered by fresh fusion crust.

Petrography: Large grains of pigeonite (Fs14.2Wo12.1) and olivine (Fa5.3-17.3) with reduced rims set in a matrix of pigeonite (Fs10.2Wo6.8), augite, olivine, troilite, and Fe-Ni-metal. The cores of olivine grains are homogeneous with ~Fa17.1, whereas rims near matrix are magnesium-rich with average ~Fa8.8. Graphite is present at grain boundaries. Numerous oxide veins and carbonate grains are observed.

Data from:
  MB99
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2010
Mass (g):2510
Pieces:1
Class:Ureilite
Weathering grade:W2
Fayalite (mol%):5.3-17.3
Classifier:Y. Jiang and W. Hsu, PMO
Type spec mass (g):25
Type spec location:PMO
Main mass:Ke Zuokai
Comments:Submitted by W. Hsu
Institutions
   and collections
PMO: Purple Mountain Observatory, Nanjing, China (institutional address; updated 16 Dec 2011)
Catalogs:
References: Published in Meteoritical Bulletin, No. 99, April 2012, MAPS 47, E1-E52 (2012) [published online only]
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7727 approved meteorites from (Northwest Africa) (plus 1972 unapproved names)

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