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1.46g Eucrite breccia | NWA 11191 Parcial Slice Meteorite | Collector's Specimen

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On Offer: 1.46g Eucrite Breccia | Parcial Slice | NWA 11191
Type: Eucrite Breccia
Official name: NWA11191
Description: 1.46 gram Parcial Slice / HED Achondrite Eucrite Breccia Meteorite
What you get: 1.46g Eucrite NWA 11191 Parcial slice w/ signed Certificate of Authenticity
I offer a 100% no questions asked 30 day return policy.  
ID: NWA1119120170005
Northwest Africa 11191
Basic information Name: Northwest Africa 11191
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11191
Observed fall: No
Year found: 2016
Country: (Northwest Africa)
Mass:help 100 g
Recommended:   Eucrite-br    [explanation]

This is 1 of 139 approved meteorites classified as Eucrite-br.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 10 Apr 2017
Writeup from MB 106:

Northwest Africa 11191 (NWA 11191)

(Northwest Africa)

Purchased: 2016

Classification: HED achondrite (Eucrite, brecciated)

History: Purchased by Dustin Dickens in 2016 from Moroccan dealer.

Petrography: (A. Irving and S. Kuehner, UWS) Gabbroic eucrite clasts and related debris are set in a very fine grained, partly vitric and vesicular quenched matrix. The major minerals are pigeonite (pale orange in thin section; some exsolved and some unexsolved) and polycrystallline calcic plagioclase, together with accessory silica polymorph, ilmenite, Ti-chromite, Cr-rich chromite, zircon, troilite and barite.

Geochemistry: Orthopyroxene host (Fs59.1-62.3Wo4.1-2.2, FeO/MnO = 32-33, N = 2), clinopyroxene exsolution lamellae (Fs27.0-27.9Wo43.3-42.5, FeO/MnO = 32-35, N = 2), plagioclase (An89.9-90.7Or1.4-0.4, N = 2).

Classification: Eucrite breccia (gabbroic, shock melted).

Specimens: 21 g including one polished thin section at UWB; remainder with Mr. D. Dickens.

Data from:
  Table 0
  Line 0:
Place of purchase: Morocco
Date: P 2016
Mass (g): 100
Pieces: 1
Class: Eucrite-br
Shock stage: high
Weathering grade: moderate
Ferrosilite (mol%): 59.1-62.3; 27.0-27.9
Wollastonite (mol%): 4.1-2.2; 43.3-42.5
Classifier: A. Irving and S. Kuehner, UWS
Type spec mass (g): 21
Type spec location: UWB
Main mass: D. Dickens
Comments: DD16-2; 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)

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