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Northwest Africa 8410
Basic information Name: Northwest Africa 8410
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8410
Observed fall: No
Year found: 2013
Country: (Northwest Africa)
Mass:help 146.4 g
Meteoritical Bulletin:  MB 103  (2014)  Lodranite
Recommended:  Lodranite    [explanation]

This is 1 of 89 approved meteorites classified as Lodranite.   [show all]
Search for other: Acapulcoite-lodranite family, Lodranites, and Primitive achondrites
Comments: Approved 25 Nov 2014
Writeup from MB 103:

Northwest Africa 8410 (NWA 8410)

(Northwest Africa)

Purchased: 2013 Jun

Classification: Primitive achondrite (Lodranite)

History: Purchased in June 2013 by Marc Jost from a Moroccan dealer at the Ensisheim Show.

Petrography: (A. Irving and S. Kuehner, UWS) Coarse grained (0.8-4 mm), protogranular aggregate of olivine with reduced rims, subcalcic augite and rare low-Ca pyroxene with accessory altered Ni-poor metal and rare Cr-bearing troilite.

Geochemistry: Olivine (cores Fa12.7-12.9; FeO/MnO = 21-23, N = 2; rims Fa6.5-7.2), subcalcic augite (Fs6.1-6.2Wo36.4-36.5; FeO/MnO = 10, N = 2), low-Ca pyroxene (Fs10.0Wo4.9; FeO/MnO = 12).

Classification: Lodranite. This specimen is unusual because of the presence of reduced rims on olivine grains.

Specimens: 21.8 g including one polished thin section at UWB. The remainder is held by SJS.

Data from:
  Table 0
  Line 0:
Place of purchase:Ensisheim
Date:P 2013 Jun
Mass (g):146.4
Shock stage:low
Weathering grade:low
Fayalite (mol%):12.7-12.9
Ferrosilite (mol%):6.1-6.2; 10.0
Wollastonite (mol%):36.4-36.5; 4.9
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):21.8
Type spec location:UWB
Main mass:M. Jost
Comments:SJS 13005; paired with NWA 8422; submitted by A. Irving
   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)
SJS: Space Jewels Switzerland, 2555 Brügg, Switzerland (private address; updated 3 Jan 2010)
References: Published in Meteoritical Bulletin, no. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full
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     This is 1 of 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names)

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