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Northwest Africa 13834
Basic information Name: Northwest Africa 13834
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13834
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass:help 127 g
Classification
  history:
Recommended:  Diogenite    [explanation]

This is 1 of 459 approved meteorites classified as Diogenite.   [show all]
Search for other: Achondrites, Diogenites, and HED achondrites
Comments: Approved 25 Apr 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 13834 (NWA 13834)

(Northwest Africa)

Purchased: 2019 Sep

Classification: HED achondrite (Diogenite)

Physical characteristics: Single stone, lacking fusion crust

Petrography: (J. Gattacceca, CEREGE) Igneous rock with ophitic texture. Grains size 600 µm. Main minerals are pyroxene and maskelynite. Other minerals: chromite, troilite, metal, ilmenite.

Geochemistry: Low-Ca pyroxene Fs27.8±0.3Wo2.8±0.1, FeO/MnO = 29.0±1.9 (n=6). Maskelynite An96.0±0.2Ab4.0±0.2Or0.1±0.1 (n=7). Chromite Cr# = 0.74 (n=1).

Classification: Achondrite (diogenite).

Specimens: Type specimen at CEREGE. Main mass with Kuntz.

Data from:
  MB110
  Table 0
  Line 0:
Date:P 2019 Sep
Mass (g):127
Pieces:1
Class:Diogenite
Fayalite (mol%):27.8±0.3 (n=6)
Ferrosilite (mol%):2.8±0.1
Magnetic suscept.:3.92
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):20.22
Type spec location:CEREGE
Main mass:Kuntz
Finder:anonymous
Comments:work name K445; submitted by Jérôme Gattacceca
Institutions
   and collections
CEREGE: CEREGE BP 80 Avenue Philibert, Technopole de l'Arbois 13545 Aix-en-Provence Cedex 4 France, France (institutional address; updated 29 Oct 2018)
Kuntz: Fabien Kuntz, France; Website (private address)
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 7688 approved meteorites from (Northwest Africa) (plus 1972 unapproved names)

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