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Northwest Africa 11741
Basic information Name: Northwest Africa 11741
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11741
Observed fall: No
Year found: 2016
Country: (Northwest Africa)
Mass:help 773 g
Classification
  history:
Recommended:  Diogenite    [explanation]

This is 1 of 415 approved meteorites classified as Diogenite.   [show all]
Search for other: Achondrites, Diogenites, and HED achondrites
Comments: Approved 7 Apr 2018
Writeuphelp
Writeup from MB 107:

Northwest Africa 11741 (NWA 11741)

(Northwest Africa)

Purchased: 2016

Classification: HED achondrite (Diogenite)

History: The meteorite was bought from a local meteorite dealer in Zagora, Morocco.

Physical characteristics: Light brownish to orange individual with some patches of fusion crust.

Petrography: The meteorite is a fragmental breccia predominantly composed of blocky up to 4 mm sized orthoproxene crystals. Minor phases include silica, chromite, troilite and metallic iron. Neither plagioclase nor olivine have been found in the section studied.

Geochemistry: low-Ca pyroxene: Fs27.5±0.4Wo4.0±0.4 (Fs26.7-28.0Wo3.2-6.8, n=22, FeO/MnO=27-32)

Data from:
  MB107
  Table 0
  Line 0:
Place of purchase:Zagora, Morocco
Date:P 2016
Mass (g):773
Pieces:1
Class:Diogenite
Shock stage:low
Weathering grade:moderate
Ferrosilite (mol%):27.5
Wollastonite (mol%):4.0
Classifier:A. Greshake, MNB
Type spec mass (g):20.6
Type spec location:MNB
Main mass:Marcin Cimala
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstrasse 43, D-10115 Berlin, Germany (institutional address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 107, in preparation (2018)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6436 approved meteorites from (Northwest Africa) (plus 2025 unapproved names)

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