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Northwest Africa 13497
Basic information Name: Northwest Africa 13497
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13497
Observed fall: No
Year found: 2020
Country: (Northwest Africa)
Mass:help 528 g
Classification
  history:
Recommended:  Eucrite    [explanation]

This is 1 of 513 approved meteorites (plus 1 unapproved name) classified as Eucrite.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 14 Nov 2020
Writeuphelp
Writeup from MB 109:

Northwest Africa 13497 (NWA 13497)

(Northwest Africa)

Purchased: 2020 Feb

Classification: HED achondrite (Eucrite)

Petrography: (J. Gattacceca, CERGE) Igneous rock with subophitic texture. Typical grain size ~ 500 (up to 1.5 mm). Main minerals are pyroxene (some exsolved) and plagioclase. Other minerals: chromite, ilmenite, rare metal, troilite.

Geochemistry: Pyroxenes: low-Ca pyroxene Fs41.3±0.8Wo4.0±1.3, FeO/MnO = 28.9±2.2 (n=4). Plagioclase An92.7Ab6.9Or0.4 (n=1).

Classification: Achondrite (eucrite).

Data from:
  MB109
  Table 0
  Line 0:
Place of purchase:Tindouf, Algeria
Date:P 2020 Feb
Mass (g):528
Pieces:5
Class:Eucrite
Ferrosilite (mol%):41.3±0.8 (n=4)
Wollastonite (mol%):4.0±1.3
Magnetic suscept.:3.24
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):21.6
Type spec location:CEREGE
Main mass:Kuntz
Comments:work name K492; 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. 109, in preparation (2020)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

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

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