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Northwest Africa 6842
Basic information Name: Northwest Africa 6842
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 6842
Observed fall: No
Year found: 2007
Country: (Northwest Africa)
Mass:help 81 g
Classification
  history:
Recommended:  LL3    [explanation]

This is 1 of 320 approved meteorites classified as LL3.   [show all]
Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 27 Sep 2019
Writeuphelp
Writeup from MB 108:

Northwest Africa 6842 (NWA 6842)

NWA

Purchased: 2007

Classification: Ordinary chondrite (LL3)

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

Physical characteristics: Brownish rock without fusion crust.

Petrography: The meteorite displays a chondritic texture with mostly flattened and densely packed chondrules (mean diameter about 0.9 mm) in a fine-grained brownish to black matrix that contains sulfides and rare FeNi metal.

Data from:
  MB108
  Table 0
  Line 0:
Place of purchase:Erfoud, Morocco
Date:P 2007
Mass (g):81
Pieces:1
Class:LL3
Shock stage:S1
Weathering grade:W2
Fayalite (mol%):20.6±9.4 (0.8-32.7, n=17)
Ferrosilite (mol%):15.3±6.3 (4.1-20.6, n=16)
Wollastonite (mol%):1.4±1.2 (0.3-4.5, n=16)
Magnetic suscept.:3.86
Classifier:A. Greshake, MNB
Type spec mass (g):21.6
Type spec location:MNB
Main mass:Tomasz Jakubowski
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstrasse 43, D-10115 Berlin, Germany (institutional address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 108, in preparation (2019)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6968 approved meteorites from (Northwest Africa) (plus 2012 unapproved names)

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