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Northwest Africa 13718
Basic information Name: Northwest Africa 13718
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13718
Observed fall: No
Year found: 2020
Country: (Northwest Africa)
Mass:help 58.8 g
Classification
  history:
Recommended:  LL6    [explanation]

This is 1 of 2817 approved meteorites (plus 1 unapproved name) classified as LL6.   [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 13 Feb 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 13718 (NWA 13718)

(Northwest Africa)

Purchased: 2020 Oct

Classification: Ordinary chondrite (LL6)

Physical characteristics: A single stone with 80% fusion crust

Petrography: (J. Gattacceca, CEREGE) Recrystallized rock with granulitic texture (triple junctions). Grain size 100 µm. Main minerals are olivine, orthopyroxene, and Ca-pyroxene. Opaque minerals are troilite (100 µm) and less abundant metal (20 µm), chromite to 200 µm. Shock veins.

Geochemistry: Plagioclase An10.2Ab85.1Or4.7 (n=1). Chromite Cr# = 0.87 (n=2). Metal Fe 29.8 wt%, Ni 68.8 wt%, Co 1.36 wt% (n=4).

Classification: Ordinary chondrite (LL6). Unusual metal composition with only FeNi2.

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

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Zagora, Morocco
Date:P 2020 Oct
Mass (g):58.8
Pieces:1
Class:LL6
Fayalite (mol%):32.3 (n=2)
Ferrosilite (mol%):26.3 (n=2)
Wollastonite (mol%):1.8
Magnetic suscept.:3.56
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):12.24
Type spec location:CEREGE
Main mass:Kuntz
Finder:anonymous
Comments:work name K530; 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 7937 approved meteorites from (Northwest Africa) (plus 1960 unapproved names)

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