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Northwest Africa 8353
Basic information Name: Northwest Africa 8353
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8353
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass:help 82.4 g
Classification
  history:
Meteoritical Bulletin:  MB 105  (2016)  Achondrite-ung
Recommended:  Achondrite-ung    [explanation]

This is 1 of 99 approved meteorites classified as Achondrite-ung.   [show all]
Search for other: Achondrites, Ungrouped achondrites
Comments: Approved 13 Aug 2016
Writeuphelp
Writeup from MB 105:

Northwest Africa 8353 (NWA 8353)

(Northwest Africa)

Purchased: 2014 Nov

Classification: Ungrouped achondrite

History: Purchased by Scott Perekslis in November 2014 from a dealer in Erfoud, Morocco.

Physical characteristics: A green and gray, relatively coarse grained stone (82.37 g) with partial green fusion crust. Plagioclase has a macroscopic "frosty" luster.

Petrography: (A. Irving and S. Kuehner, UWS) Gabbro composed mainly of diopside and calcic plagioclase with subordinate forsteritic olivine and accessory iron sulfide and kamacite (mostly as blebs within plagioclase). Plagioclase consists of numerous microdomains.

Geochemistry: Olivine Fa3.0-3.2,FeO/MnO 35-42 (N = 3), diopside Fs1.2-1.4Wo45.6-45.4, FeO/MnO 9-10 (N = 3), plagioclase An90.1-90.4Or0 (N = 2).

Classification: Achondrite (ungrouped). Paired with NWA 7325, NWA 8014, NWA 8409 and other stones from the Bir Abbas site.

Specimens: 16.5 g including one polished endcut at UWB; remainder with Mr. S. Perekslis.

Data from:
  MB105
  Table 0
  Line 0:
Place of purchase:Erfoud
Date:P 2014 Nov
Mass (g):82.37
Pieces:1
Class:Achondrite-ung
Shock stage:high
Weathering grade:moderate
Fayalite (mol%):3.0-3.2
Ferrosilite (mol%):1.2-1.4
Wollastonite (mol%):45.6-45.4
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):16.5
Type spec location:UWB
Main mass:S. Perekslis
Comments:Submitted by A. Irving
Institutions
   and collections
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
UWB: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7374 approved meteorites from (Northwest Africa) (plus 1957 unapproved names)

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