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Northwest Africa 6133
Basic information Name: Northwest Africa 6133
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 6133
Observed fall: No
Year found: 2009
Country: Western Sahara
Mass:help 178 g
Classification
  history:
Meteoritical Bulletin:  MB 99  (2011)  Diogenite
Recommended:  Diogenite    [explanation]

This is 1 of 465 approved meteorites classified as Diogenite.   [show all]
Search for other: Achondrites, Diogenites, and HED achondrites
Comments: Approved 15 Feb 2011
Writeuphelp
Writeup from MB 99:

Northwest Africa 6133 (NWA 6133)

Erfoud, Morocco

Purchased: 1 Jan 2009

Classification: HED achondrite (Diogenite)

Geochemistry: Coarse-grained low-Ca pyx (about 96.5 vol.% of cm-sized crystals); elongated areas with plagioclase (An79.2-80.45) containing up to 2.23 wt% Na2O and 0.22 wt% K2O) and smaller pyroxene crystals; px (Fe: 0.156-0.452 and Mn: 0.007-0.017 cations based on 6 oxygens); silica, chromite, ilmenite, phosphates, Fe and FeNi metal; empty fractures; metal shows little alteration. Unshocked.

Data from:
  MB99
  Table 0
  Line 0:
State/Prov/County:Erfoud
Origin or pseudonym:occidental Sahara, region of Smara
Place of purchase:Erfoud
Date:P 1 Jan 2009
Mass (g):178
Pieces:1
Class:Diogenite
Weathering grade:weak
Ferrosilite (mol%):8.4 - 23.83
Wollastonite (mol%):2 - 46.22
Classifier:Catherine Caillet Komorowski, MNHNP
Type spec mass (g):41.15
Type spec location:MNHNP
Main mass:Mr. Dominique Breynaert
Comments:Submitted by Catherine Caillet
Institutions
   and collections
MNHNP: Museum National d'Histoire Naturelle, IMPMC-CP52, 57 rue Cuvier, 75005 Paris, France, France; Website (institutional address)
Catalogs:
References: Published in Meteoritical Bulletin, No. 99, April 2012, MAPS 47, E1-E52 (2012) [published online only]
Find references in NASA ADS:
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Geography:

Western Sahara
Coordinates:Unknown.

Statistics:
     This is 1 of 239 approved meteorites from Western Sahara (plus 19 unapproved names)

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