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Northwest Africa 13835
Basic information Name: Northwest Africa 13835
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13835
Observed fall: No
Year found: 2020
Country: (Northwest Africa)
Mass:help 106.2 g
Classification
  history:
Recommended:  Eucrite-unbr    [explanation]

This is 1 of 110 approved meteorites classified as Eucrite-unbr.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 20 Mar 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 13835 (NWA 13835)

(Northwest Africa)

Purchased: August 2020

Classification: HED achondrite (Eucrite, unbrecciated)

Petrography: (J. Gattacceca, CEREGE) Unbrecciated igneous rock with poikilitic texture (lobate plagioclase grains enclosed in pyroxene). Grain size 400 µm. Pyroxenes are exsolved at µm scale. Opaque minerals are rare troilite and metal.

Geochemistry: Low-Ca pyroxene Fs48.4±1.4Wo3.3±2.0, FeO/MnO = 31,7±1.7 (n=5). Ca-pyroxene exsolutions Fs22.3Wo41.4, FeO/MnO = 28.9 (n=2). Plagioclase An91.7±0.4Ab8.0±0.5Or0.3±0.1 (n=5).

Classification: Achondrite (eucrite, unbrecciated)

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

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Zagora, Morocco
Date:P August 2020
Mass (g):106.2
Pieces:1
Class:Eucrite-unbr
Fayalite (mol%):48.4±1.4 (n=5)
Ferrosilite (mol%):3.3±2.0
Magnetic suscept.:2.52
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):20.01
Type spec location:CEREGE
Main mass:Kuntz
Finder:anonymous
Comments:work name K505; 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 8025 approved meteorites from (Northwest Africa) (plus 1951 unapproved names)

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