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Northwest Africa 12557
Basic information Name: Northwest Africa 12557
     This is NOT an official name: Discredited meteorite.
Abbreviation: NWA 12557
Observed fall: No
Year found: 2018
Country: Morocco
Mass:help 43.3 g
Classification
  history:
Meteoritical Bulletin:  MB 108  (2020)  H5
Recommended:  H5    [explanation]

Comments: Entered 31 Mar 2019
Revised 18 Apr 2020: Duplicate of NWA 11883
Data from:
  MB108
  Table 0
  Line 0:
Place of purchase:Zagora, Morocco
Date:P 2018
Mass (g):43.3
Pieces:6
Class:H5
Weathering grade:W3
Fayalite (mol%):18.7 (n=1)
Ferrosilite (mol%):16.4 (n=1)
Wollastonite (mol%):1.4
Magnetic suscept.:4.80
Classifier:J. Gattacceca, L. Krämer Ruggiu, CEREGE
Type spec mass (g):9.1
Type spec location:CEREGE
Main mass:Jean Redelsperger
Comments:work name JR052; 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)
Catalogs:
References: Published in Meteoritical Bulletin, no. 108 (2020) Meteorit. Planet. Sci. 55, 1146-1150
Find references in NASA ADS:
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Geography:

Morocco
Coordinates:Unknown.

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