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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 796 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 Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8890 approved meteorites from (Northwest Africa) (plus 1871 unapproved names)

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