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Northwest Africa 5667
Basic information Name: Northwest Africa 5667
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 5667
Observed fall: No
Year found: 2008
Country: (Northwest Africa)
Mass:help 396 g
Classification
  history:
Recommended:  L3    [explanation]

This is 1 of 729 approved meteorites (plus 1 unapproved name) classified as L3.   [show all]
Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 6 Oct 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 5667 (NWA 5667)

(Northwest Africa)

Purchased: 2008

Classification: Ordinary chondrite (L3)

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

Physical characteristics: Dark grayish rock almost completely covered by fusion crust.

Petrography: The meteorite diplays a fresh grayish interior and shows a perfect chondritic texture with sharply defined, often flattened, and well packed chondrules (apparent mean diameter about 0.7 mm). The fine-grained matrix contains sulfides and FeNi metal. The meteorite is a breccia with up to 1.2 cm sized related L3 and black impact melt clasts.

Geochemistry: The mean concentration of Cr2O in ferroan olivine is 0.07±0.06 wt% (n=21).

Classification: L chondrite based on magnetic susceptibility, metal content, and apparent chondrule diameter.

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Erfoud, Morocco
Date:P 2008
Mass (g):396
Pieces:1
Class:L3
Shock stage:S2
Weathering grade:W1
Fayalite (mol%):15.3±9.4 (4.5-38.1, n=21)
Ferrosilite (mol%):12.5±7.0 (1.6-20.5, n=22)
Wollastonite (mol%):1.0±0.7 (0.3-3.2, n=22)
Magnetic suscept.:5.04
Classifier:A. Greshake, MNB
Type spec mass (g):20.6
Type spec location:MNB
Main mass:Stefan Ralew
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Ralew: Stefan Ralew, Kunibertstraße 29, 12524 Berlin, Germany; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 110, in preparation (2021)
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)
aranemac   
bphd   
METEORITES AUSTRALIA   
Mirko Graul      
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7937 approved meteorites from (Northwest Africa) (plus 1960 unapproved names)

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