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Northwest Africa 11923
Basic information Name: Northwest Africa 11923
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11923
Observed fall: No
Year found: 2018
Country: (Northwest Africa)
Mass:help 252 g
Classification
  history:
Recommended:  H3    [explanation]

This is 1 of 573 approved meteorites (plus 1 unapproved name) classified as H3.   [show all]
Search for other: H chondrites, H chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 3 Aug 2018
Writeuphelp
Writeup from MB 107:

Northwest Africa 11923 (NWA 11923)

(Northwest Africa)

Purchased: 2018

Classification: Ordinary chondrite (H3)

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

Physical characteristics: Dark brownish individual lacking any fusion crust.

Petrography: The meteorite displays a chondritic texture with well defined and slightly flattened chondrules (mean diameter about 0.4 mm) and fine-grained matrix containing sulfides and abundant FeNi metal.

Data from:
  MB107
  Table 0
  Line 0:
Place of purchase:Erfoud, Morocco
Date:P 2018
Mass (g):252
Pieces:1
Class:H3
Shock stage:S2
Weathering grade:W3
Fayalite (mol%):14.6±9.5 (0.8-27.5, n=26)
Ferrosilite (mol%):11.4±7.2 1.4-19.8, n=19)
Wollastonite (mol%):1.5±1.2 (0.4-4.7, n=19)
Magnetic suscept.:4.86
Classifier:A. Greshake, MNB
Type spec mass (g):31
Type spec location:MNB
Main mass:Hichame Mimaghador
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. 107, in preparation (2018)
Find references in NASA ADS:
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Hichame Mimaghador   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6506 approved meteorites from (Northwest Africa) (plus 2021 unapproved names)

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