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Northwest Africa 5893
Basic information Name: Northwest Africa 5893
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 5893
Observed fall: No
Year found: 2009
Country: (Northwest Africa)
Mass:help 180 g
Classification
  history:
Recommended:  Diogenite    [explanation]

This is 1 of 505 approved meteorites classified as Diogenite.   [show all]
Search for other: Achondrites, Diogenites, and HED achondrites
Comments: Approved 26 Mar 2022
Writeuphelp
Writeup from MB 111:

Northwest Africa 5893 (NWA 5893)

(Northwest Africa)

Purchased: 2009

Classification: HED achondrite (Diogenite)

History: The meteorite was purchased from a local meteorite dealer in Erfoud, Morocco.

Physical characteristics: Many small brownish fragments some which with minor fusion crust.

Petrography: The meteorite is a monomict breccia predominantly composed of blocky up to 2.5 mm sized orthoproxene grains and more fine-grained cataclastic regions composed of related material. Minor phases include chromite, troilite, and minor kamacite.

Geochemistry: low-Ca pyroxene: Fs23.1±0.2Wo1.4±0.1 (Fs22.8-23.4Wo1.2-1.5, FeO/MnO=29-34, n=11)

Data from:
  MB111
  Table 0
  Line 0:
Place of purchase:Erfoud, Morocco
Date:P 2009
Mass (g):180
Pieces:many
Class:Diogenite
Shock stage:low
Weathering grade:moderate
Ferrosilite (mol%):23.1
Wollastonite (mol%):1.4
Classifier:A. Greshake, MNB
Type spec mass (g):22.6
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 Meteoritical Bulletin, no. 111, in preparation (2022)
Find references in NASA ADS:
Find references in Google Scholar:
Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Achim Sven Faforke Photo added 20 Oct 2022
Photo added 20 Oct 2022
André Knöfel Photo added 20 Oct 2022
Dirk Hohmann Photo added 20 Oct 2022
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8777 approved meteorites from (Northwest Africa) (plus 1879 unapproved names)

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