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Northwest Africa 10408
Basic information Name: Northwest Africa 10408
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10408
Observed fall: No
Year found: 2015
Country: (Northwest Africa)
Mass:help 151.8 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  Eucrite-unbr
Recommended:  Eucrite-unbr    [explanation]

This is 1 of 105 approved meteorites classified as Eucrite-unbr.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 18 Dec 2015
Writeuphelp
Writeup from MB 104:

Northwest Africa 10408 (NWA 10408)

(Northwest Africa)

Purchased: 2015 Jul

Classification: HED achondrite (Eucrite, unbrecciated)

History: Purportedly found in Mauritania and purchased by Darryl Pitt in July 2015 from a Moroccan dealer.

Petrography: (A. Irving and S. Kuehner, UWS) Fresh unbrecciated eucrite with intersertal texture composed of exsolved pigeonite, calcic plagioclase, silica polymorph, ilmenite, Ti-Al-bearing chromite and troilite.

Geochemistry: Orthopyroxene host (Fs59.8-61.1Wo1.7-1.8, FeO/MnO = 34-35, N = 3), clinopyroxene exsolution lamellae (Fs23.8-24.7Wo44.9-44.5, FeO/MnO = 33-34, N = 3).

Classification: Eucrite (unbrecciated).

Specimens: 21.3 g including one polished thin section at UWB; main mass with DPitt.

Data from:
  MB104
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2015 Jul
Mass (g):151.8
Pieces:1
Class:Eucrite-unbr
Shock stage:low
Weathering grade:low
Ferrosilite (mol%):59.8-61.1; 23.8-24.7
Wollastonite (mol%):1.7-1.8; 44.9-44.5
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):21.3
Type spec location:UWB
Main mass:DPitt
Comments:MAC 161; 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)
DPitt: Darryl Pitt, 225 West 83rd Street, New York, NY 10024, United States; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7810 approved meteorites from (Northwest Africa) (plus 1971 unapproved names)

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