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Northwest Africa 13776
Basic information Name: Northwest Africa 13776
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13776
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass:help 406 g
Classification
  history:
Recommended:  L4    [explanation]

This is 1 of 1728 approved meteorites (plus 4 unapproved names) classified as L4.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 13 Mar 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 13776 (NWA 13776)

(Northwest Africa)

Purchased: 2021

Classification: Ordinary chondrite (L4)

History: The meteorite was purchased from a group of meteorites hunters in Nouadhibou, Mauritania, in early 2021.

Physical characteristics: Dark brownish rock without fusion crust.

Petrography: Contains well-delineated chondrules (apparent mean diameter about 0.6 mm) set in a brownish matrix with little unaltered metal and sulfides.

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Nouadhibou, Mauritania
Date:P 2021
Mass (g):406
Pieces:1
Class:L4
Shock stage:S2
Weathering grade:W3
Fayalite (mol%):22.4±0.1 (n=11)
Ferrosilite (mol%):19.0±0.2 (n=13)
Wollastonite (mol%):1.0±0.2 (n=13)
Magnetic suscept.:4.5
Classifier:A. Greshake, MNB
Type spec mass (g):26.8
Type spec location:MNB
Main mass:Salamu Ali
Finder:anonymous
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. 110, in preparation (2021)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7912 approved meteorites from (Northwest Africa) (plus 1974 unapproved names)

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