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Northwest Africa 11171
Basic information Name: Northwest Africa 11171
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11171
Observed fall: No
Year found: 2016
Country: (Northwest Africa)
Mass:help 31.2 g
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  Diogenite
Recommended:  Diogenite    [explanation]

This is 1 of 449 approved meteorites classified as Diogenite.   [show all]
Search for other: Achondrites, Diogenites, and HED achondrites
Comments: Approved 9 Mar 2017
Writeuphelp
Writeup from MB 106:

Northwest Africa 11171 (NWA 11171)

(Northwest Africa)

Purchased: 2016

Classification: HED achondrite (Diogenite)

History: The meteorite was bought in 2016 from a Moroccan meteorite dealer at a mineral fair in Hamburg, Germany.

Physical characteristics: Small, fragile, individual without fusion crust.

Petrography: The meteorite displays a greyish to slightly orange interior and shows a cumulate texture of blocky up to 1.5 cm sized orthopyroxenes. Minor phases include silica, chromite and rare metallic iron. Neither plagioclase nor olivine have been found in the section studied.

Geochemistry: low-Ca pyroxene:Fs26.2±0.2Wo3.5±0.3, n=12, FeO/MnO=23-27

Data from:
  MB106
  Table 0
  Line 0:
Place of purchase:Hamburg, Germany
Date:P 2016
Mass (g):31.2
Pieces:1
Class:Diogenite
Shock stage:low
Weathering grade:moderate
Ferrosilite (mol%):26.2
Wollastonite (mol%):3.5
Classifier:A. Greshake, MNB
Type spec mass (g):7.5
Type spec location:MNB
Main mass:Hanno Strufe
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Catalogs:
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.
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7579 approved meteorites from (Northwest Africa) (plus 1969 unapproved names)

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