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Northwest Africa 7536
Basic information Name: Northwest Africa 7536
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7536
Observed fall: No
Year found: 2012
Country: (Northwest Africa)
Mass:help 29 g
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  Howardite
Recommended:  Howardite    [explanation]

This is 1 of 386 approved meteorites classified as Howardite.   [show all]
Search for other: Achondrites, HED achondrites, and Howardites
Comments: Approved 27 Jul 2013
Writeuphelp
Writeup from MB 102:

Northwest Africa 7536 (NWA 7536)

Northwest Africa

Purchased: 2012 Mar

Classification: HED achondrite (Howardite)

Petrography: (K. Metzler, IfP): Polymict breccia, consisting of mineral fragments and a few lithic clasts set in a fine-grained clastic matrix. Mineral fragments include various eucritic pyroxenens (some with augite exsolution lamellae), feldspar (mostly maskelynite), silica, chromite, ilmenite, troilite, and Ni-poor metal. Two olivine grains were found. Lithic clasts include cumulate eucrites, granulites, granulitic breccias, and melt rocks (clast-poor and clast-rich). Breccia-in breccia textures occur. About 20 vol% diogenitic components. An89.6±4.5 (n=21)

Data from:
  MB102
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2012 Mar
Mass (g):29
Pieces:1
Class:Howardite
Weathering grade:W1-2
Fayalite (mol%):12.6; 28.3 (n=2)
Ferrosilite (mol%):23.6±4.1 (n=6); 44.3±12.7 (n=22)
Wollastonite (mol%):3.2±1.1; 10.5±12.9
Classifier:K. Metzler, IfP
Type spec mass (g):6
Type spec location:IfP
Main mass:A. and H. Hmani
Finder:anonymous
Comments:Submitted by K. Metzler
Institutions
   and collections
IfP: Institut für Planetologie, Wilhelm-Klemm-Str. 10, 48149 Münster, Germany (institutional address; updated 23 Jan 2012)
Hmani: A. Hmani Moroccan Imports, 13 rue Jules Hardouin Mansart, 92600 Asnières, France (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7483 approved meteorites from (Northwest Africa) (plus 1994 unapproved names)

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