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Northwest Africa 10446
Basic information Name: Northwest Africa 10446
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10446
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass:help 235 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  Diogenite
Recommended:  Diogenite    [explanation]

This is 1 of 481 approved meteorites classified as Diogenite.   [show all]
Search for other: Achondrites, Diogenites, and HED achondrites
Comments: Approved 31 Dec 2015
Writeuphelp
Writeup from MB 104:

Northwest Africa 10446 (NWA 10446)

(Northwest Africa)

Purchased: 2014 Apr

Classification: HED achondrite (Diogenite)

History: Purchased by Bob Falls in April 2014 from a dealer in Zagora, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Composed predominantly of orthopyroxene (exhibiting undulose extinction) with accessory silica polymorph, chromite, stained Ni-free metal and troilite.

Geochemistry: Orthopyroxene (Fs25.9-26.2Wo2.5-2.0, FeO/MnO = 28-29, N = 3).

Classification: Diogenite.

Specimens: 20.2 g including one polished thin section at UWB; remainder with Mr. R. Falls.

Data from:
  MB104
  Table 0
  Line 0:
Place of purchase:Zagora
Date:P 2014 Apr
Mass (g):235.3
Pieces:1
Class:Diogenite
Shock stage:low
Weathering grade:low
Ferrosilite (mol%):25.9-26.2
Wollastonite (mol%):2.5-2.0
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):20.2
Type spec location:UWB
Main mass:R. Falls
Comments:BF15-1; 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. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8037 approved meteorites from (Northwest Africa) (plus 1947 unapproved names)

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