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Northwest Africa 7855
Basic information Name: Northwest Africa 7855
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7855
Observed fall: No
Year found: 2013
Country: (Northwest Africa)
Mass:help 916 g
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  H4
Recommended:  H4    [explanation]

This is 1 of 5954 approved meteorites (plus 2 unapproved names) classified as H4.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 3 May 2013
Data from:
  MB102
  Table 0
  Line 0:
Place of purchase:Erfoud, Morocco
Date:P 2013
Mass (g):916
Pieces:1
Class:H4
Shock stage:S2
Weathering grade:W3
Fayalite (mol%):16.6
Ferrosilite (mol%):13.4±3.5 (8.7-18.5, n=19)
Classifier:A. Greshake, MNB
Type spec mass (g):21.4
Type spec location:MNB
Main mass:Marcin Cimala
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. 102, MAPS 50, 1662, September 2015
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Piotr gural100   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7320 approved meteorites from (Northwest Africa) (plus 1973 unapproved names)

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