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Northwest Africa 13344
Basic information Name: Northwest Africa 13344
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13344
Observed fall: No
Year found: 2020
Country: (Northwest Africa)
Mass:help 7.7 g
Classification
  history:
Recommended:  Eucrite    [explanation]

This is 1 of 471 approved meteorites (plus 1 unapproved name) classified as Eucrite.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 3 Jul 2020
Writeuphelp
Writeup from MB 109:

Northwest Africa 13344 (NWA 13344)

(Northwest Africa)

Purchased: 2020

Classification: HED achondrite (Eucrite)

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

Physical characteristics: Light brownish fragment without fusion crust.

Petrography: The meteorite is an unbrecciated basalt predominantly composed of equigranular exsolved pyroxene and calcic plagioclase with average grains sizes of about 600 μm. Silica grains up to 400 µm in size are abundant. Minor phases include ilmenite, chromite, FeS, and metallic iron.

Geochemistry: low-Ca pyroxene: Fs59.9±0.5Wo2.9±0.5 (Fs59.3-60.6Wo2.2-3.6, n=12, FeO/MnO=26-29); Ca-pyroxene: Fs28.5±0.3Wo41.6±0.8 (Fs28.1-29.0Wo39.9-42.4, n=15, FeO/MnO=25-28); calcic plagioclase: An90.7±0.5 (An89.6-91.5, n=13)

Data from:
  MB109
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2020
Mass (g):7.7
Pieces:1
Class:Eucrite
Shock stage:low
Weathering grade:low
Ferrosilite (mol%):59.9; 28.5
Wollastonite (mol%):2.9; 41.6
Classifier:A. Greshake, MNB
Type spec mass (g):1.55
Type spec location:MNB
Main mass:Said Yousfi
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. 109, in preparation (2020)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7354 approved meteorites from (Northwest Africa) (plus 1958 unapproved names)

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