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Northwest Africa 13666
Basic information Name: Northwest Africa 13666
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13666
Observed fall: No
Year found: 2020
Country: (Northwest Africa)
Mass:help 455 g
Classification
  history:
Meteoritical Bulletin:  MB 110  (2022)  H4
Recommended:  H4    [explanation]

This is 1 of 6493 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 10 Jan 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 13666 (NWA 13666)

(Northwest Africa)

Purchased: 2020

Classification: Ordinary chondrite (H4)

History: Purchased in 2020 by Jasper Spencer from a seller in Morocco.

Physical characteristics: Single stone with dark-brown fusion crust.

Petrography: (D. Sheikh, FSU) Specimen is a chondrite containing chondrules (~400±100 µm), chromite, and kamacite.

Geochemistry: Olivine (Fa18.1±0.5, range Fa17.4-19.9, n=39), Low-Ca Pyroxene (Fs16.2±0.6Wo1.0±0.6, range Fs14.8-17.3Wo0.4-2.1, n=16).

Classification: Ordinary Chondrite (H4)

Specimens: 23.02 g at UCLA; main mass with Jasper Spencer.

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2020
Mass (g):455
Pieces:1
Class:H4
Shock stage:S2
Weathering grade:W3
Fayalite (mol%):18.1±0.5
Ferrosilite (mol%):16.2±0.6
Wollastonite (mol%):1.0±0.6
Classifier:D. Sheikh, FSU
Type spec mass (g):23.02
Type spec location:UCLA
Main mass:Jasper Spencer
Comments:Submitted by Daniel Sheikh
Institutions
   and collections		 UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011)
FSU: Department of Geological Sciences, Florida State University, Tallahassee FL 32306-4100, United States (institutional address; updated 16 Dec 2010)
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
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)
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Revision
  history:
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