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Northwest Africa 11330
Basic information Name: Northwest Africa 11330
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11330
Observed fall: No
Year found: 2017
Country: (Northwest Africa)
Mass:help 2.55 kg
Meteoritical Bulletin:  MB 106  (2018)  LL5
Recommended:  LL5    [explanation]

This is 1 of 3182 approved meteorites (plus 1 unapproved name) classified as LL5.   [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 15 Jun 2017
Writeup from MB 106:

Northwest Africa 11330 (NWA 11330)

(Northwest Africa)

Purchased: 2017 Feb

Classification: Ordinary chondrite (LL5)

History: Purchased by Darryl Pitt in February 2017 from a Moroccan dealer at the Tucson Gem and Mineral Show.

Petrography: (A. Irving and S. Kuehner, UWS) Largely recrystallized with sparse chondrules. The studied slice has a cross-cutting dark shock vein enclosing angular clasts of the main lithology.

Geochemistry: Olivine (Fa27.3-29.8, N = 3), orthopyroxene (Fs22.2-24.4Wo0.8-1.1, N = 3), clinopyroxene (Fs7.5-8.0Wo46.0-44.8, N = 2).

Classification: Ordinary chondrite (LL5).

Specimens: 35.4 g in the form of a polished slice at UWB; remainder with DPitt.

Data from:
  Table 0
  Line 0:
Place of purchase:Tucson
Date:P 2017 Feb
Mass (g):2551
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):27.3-29.8
Ferrosilite (mol%):22.2-24.4
Wollastonite (mol%):0.8-1.1
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):35.4
Type spec location:UWB
Main mass:D. Pitt
Comments:Work name MVCH 236; 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)
DPitt: Darryl Pitt, 225 West 83rd Street, New York, NY 10024, United States; Website (private address)
References: Published in Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.
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     This is 1 of 8559 approved meteorites from (Northwest Africa) (plus 1896 unapproved names)

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