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Northwest Africa 7230
Basic information Name: Northwest Africa 7230
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7230
Observed fall: No
Year found: 2011
Country: (Northwest Africa)
Mass:help 34 g
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  Diogenite
Recommended:  Diogenite    [explanation]

This is 1 of 465 approved meteorites classified as Diogenite.   [show all]
Search for other: Achondrites, Diogenites, and HED achondrites
Comments: Approved 11 Dec 2013
Writeuphelp
Writeup from MB 102:

Northwest Africa 7230 (NWA 7230)

(Northwest Africa)

Purchased: 2011

Classification: HED achondrite (Diogenite)

Petrography: The small individual is partly covered with fusion crust and shows a light-gray interior. The meteorite displays a cumulate texture of dominantly large low Ca pyroxene crystals, less abundant calcic plagioclase, and rare Ca-rich pyroxene. Accessory minerals include chromite and troilite.

Geochemistry: low Ca pyroxene Fs24.9-25.4Wo1.8-5.5, FeO/MnO=29-32; Ca-rich pyroxene: Fs13.8-14.7Wo43.7-44.9. FeO/MnO=22-27 ; plagioclase: An86.5, range An83.8-88.

Data from:
  MB102
  Table 0
  Line 0:
Place of purchase:Erfoud, Morocco
Date:P 2011
Mass (g):34
Pieces:1
Class:diogenite
Shock stage:moderate
Weathering grade:low
Ferrosilite (mol%):24.9-25.4
Wollastonite (mol%):1.8-5.5
Classifier:A. Greshake, MNB
Type spec mass (g):7.0
Type spec location:MNB
Main mass:Stefan Ralew
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Ralew: Stefan Ralew, Kunibertstraße 29, 12524 Berlin, Germany; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015
Find references in NASA ADS:
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Gregor H.      
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7885 approved meteorites from (Northwest Africa) (plus 1958 unapproved names)

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