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Northwest Africa 14039
Basic information Name: Northwest Africa 14039
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14039
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass:help 644 g
Classification
  history:
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 6 Jul 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 14039 (NWA 14039)

(Northwest Africa)

Purchased: 2021 Apr

Classification: HED achondrite (Diogenite)

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

Physical characteristics: Light-brownish rock covered with minor fusion crust.

Petrography: The meteorite is a monomict breccia composed of up to 2.5 mm blocky orthopyroxene crystals within more fine-grained cataclastic matrix. Minor phases are silica, chromite, troilite, and metallic iron. No plagioclase has been found in the section studied.

Geochemistry: low-Ca pyroxene: Fs25.6±1.0Wo1.7±0.2 (Fs24.8-27.7Wo1.3-2.0, FeO/MnO=23-28, n=16)

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Algeria
Date:P 2021 Apr
Mass (g):644
Pieces:1
Class:Diogenite
Shock stage:low
Weathering grade:low
Ferrosilite (mol%):25.6
Wollastonite (mol%):1.7
Classifier:A. Greshake, MNB
Type spec mass (g):24.3
Type spec location:MNB
Main mass:Martin Goff
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. 110, in preparation (2021)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7912 approved meteorites from (Northwest Africa) (plus 1974 unapproved names)

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