Name: 22244 - Collection of Lunar Meteorites Paired with NWA 11273 0.12g (Feldspathic Regolith Breccia)
Brand: mappa-mercia.org
SKU: HBS8968919076
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Great Deal 22244 - Collection Of Lunar Meteorites Paired With "nwa 11273" 0.12g (feldspathic Regolith Breccia) Easy Returns [tY0RrHw3]

The authenticity of this specimen is guaranteed by the geologist Juan Avilés Poblador, member of International Meteorite Collectors Association (IMCA 5681).

Basic information

Name: Northwest Africa 11273
This is an OFFICIAL meteorite name.
Abbreviation: NWA 11273
Observed fall: No
Year found: 2017
Country: (Northwest Africa)
Mass: 2.81 kg

Classification
history:

Meteoritical Bulletin:	MB 106	(2018)	Lunar (feldsp. breccia)
Recommended:			Lunar (feldsp. breccia) [explanation]

This is 1 of 174 approved meteorites classified as Lunar (feldsp. breccia). [show all]
Search for other: Lunar meteorites

Comments:

Approved 13 Oct 2017

Writeup

Writeup from MB 106:

Northwest Africa 11273 (NWA 11273)

(Northwest Africa)

Purchased: 2017 Apr

Classification: Lunar meteorite (feldspathic breccia)

History: Material excavated from a site near Tindouf, Algeria was purchased by a consortium of collectors (Rob Wesel, Eric Twelker and Jason Phillips) in April 2017 from Moroccan dealers.

Petrography: (A. Irving and S. Kuehner, UWS) Breccia composed of mineral clasts of anorthite, olivine, exsolved pigeonite, pigeonite, augite, chromite, Ti-Cr-Fe spinel, kamacite, taenite and troilite in a finer grained matrix containing small vesicles and minor barite. Rare basalt clasts and glass fragments are also present.

Geochemistry: Olivine (Fa_8.7-59.7, FeO/MnO = 89-111, N = 4), pigeonite (Fs_28.8Wo_11.2, FeO/MnO = 56), clinopyroxene host (Fs_15.3Wo_40.9, FeO/MnO = 44), orthopyroxene exsolution lamella (Fs_34.0Wo_2.7, FeO/MnO = 56), augite (Fs_16.8Wo_41.7, FeO/MnO = 62), plagioclase (An_95.9-96.5Or_0.2, N = 2).

Classification: Lunar (feldspathic regolith breccia).

Specimens: 37 g including one polished slice at UWB; remaining pieces shared by Mr. R. Wesel, Mr. E. Twelker and Mr. J. Phillips.

Data from:
  MB106
  Table 0
  Line 0:

Place of purchase:	Morocco
Date:	P 2017 Apr
Mass (g):	2808
Pieces:	many
Class:	Lunar (feldsp. breccia)
Shock stage:	low
Weathering grade:	low
Fayalite (mol%):	8.7-59.7
Ferrosilite (mol%):	28.8; 16.8
Wollastonite (mol%):	11.2; 41.7
Classifier:	A. Irving and S. Kuehner, UWS
Type spec mass (g):	37
Type spec location:	UWB
Main mass:	R. Wesel/E. Twelker/J. Phillips
Comments:	Work name RW17-2; 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)
Twelker: Eric Twelker, P.O. Box 844, Port Townsend, WA 98368, United States; Website (private address; updated 1 Dec 2014)