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Northwest Africa 12654
Basic information Name: Northwest Africa 12654
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 12654
Observed fall: No
Year found: 2018
Country: (Northwest Africa)
Mass:help 16.8 g
Classification
  history:
Meteoritical Bulletin:  MB 108  (2020)  L4
Recommended:  L4    [explanation]

This is 1 of 1715 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 23 May 2019
Writeuphelp
Writeup from MB 108:

Northwest Africa 12654 (NWA 12654)

(Northwest Africa)

Purchased: 2018

Classification: Ordinary chondrite (L4)

History: The meteorite was purchased from a Morrocan dealer at the mineral show in Hamburg, Germany.

Petrography: The meteorite shows a chondritic texture with mostly rounded chondrules showing an apparent mean diameter about 0.7 mm.

Data from:
  MB108
  Table 0
  Line 0:
Place of purchase:Hamburg, Germany
Date:P 2018
Mass (g):16.8
Pieces:1
Class:L4
Shock stage:S2
Weathering grade:W3
Fayalite (mol%):23.2±0.6 (n=12)
Ferrosilite (mol%):17.5±4.1 (8.9-22.0, n=19)
Wollastonite (mol%):1.0±0.6 (0.4-2.3, n=19)
Classifier:A. Greshake, MNB
Type spec mass (g):3.7
Type spec location:MNB
Main mass:Andreas Gränemeyer
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. 108 (2020) Meteorit. Planet. Sci. 55, 1146-1150
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7655 approved meteorites from (Northwest Africa) (plus 1972 unapproved names)

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