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Northwest Africa 8321
Basic information Name: Northwest Africa 8321
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8321
Observed fall: No
Year found: 2013
Country: (Northwest Africa)
Mass:help 317 g
Classification
  history:
Recommended:  Diogenite    [explanation]

This is 1 of 391 approved meteorites classified as Diogenite.   [show all]
Search for other: Achondrites, Diogenites, and HED achondrites
Comments: Approved 14 Mar 2014
Writeuphelp
Writeup from MB 103:

Northwest Africa 8321 (NWA 8321)

(Northwest Africa)

Purchased: Dec 2013

Classification: HED achondrite (Diogenite)

Physical characteristics: The meteorite is partly covered by black fusion crust and shows a light yellowish interior.

Petrography: The achondrite displays a cumulate texture of dominantly large orthopyroxene crystals with less abundant calcic plagioclase. Accessory minerals include chromite and troilite.

Geochemistry: low-Ca pyroxene: Fs21.3±0.6Wo3.2±1.2 (range Fs20.2-22-2Wo1.7-5.1, n=14), FeO/MnO: 25-29; clacic plagioclase: An88±0.9 (range An86.6-89.5, n=15)

Data from:
  MB103
  Table 0
  Line 0:
Place of purchase:Zagora, Morocco
Date:P Dec 2013
Mass (g):317
Pieces:1
Class:Diogenite
Shock stage:moderate
Weathering grade:low
Ferrosilite (mol%):21.3±0.6 (range 20.2-22-2, n=14)
Wollastonite (mol%):3.2±1.2 (range 1.7-5.1, n=14)
Classifier:A. Greshake, MNB
Type spec mass (g):20.2
Type spec location:MNB
Main mass:ARTMET
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstrasse 43, D-10115 Berlin, Germany (institutional address)
ARTMET: Meteorites and Art UL. Baczynskiego 2 45-317 Opole, Poland (private address; updated 7 Apr 2014)
Catalogs:
References: Published in Meteoritical Bulletin, no. 103, in preparation (2014)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 5879 approved meteorites from (Northwest Africa) (plus 2066 unapproved names)

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