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Northwest Africa 13953
Basic information Name: Northwest Africa 13953
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13953
Observed fall: No
Year found: 2021
Country: Algeria
Mass:help 371 g
Classification
  history:
Recommended:  CV3    [explanation]

This is 1 of 619 approved meteorites (plus 1 unapproved name) classified as CV3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites
Comments: Approved 31 May 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 13953 (NWA 13953)

Algeria

Purchased: 2021 Feb 1

Classification: Carbonaceous chondrite (CV3)

History: Purchased over the Internet from anonymous finder; was shipped from Spain.

Physical characteristics: A dark browish-black, ovoid stone similar to an avocado and with an exterior to match - a pitted, relict fusion-crust.

Petrography: (D. Sheikh, FSU) Sample contains abundant chondrules (Av. 1.0 mm, up to 2.5 mm) and CAIs set in a fine-grained opaque matrix. Accesory phases include magnetite and pentlandite.

Geochemistry: Olivine (Fa22.4±15.4, range Fa0.6-51.4, n=35), Low-Ca Pyroxene (Fs1.9±0.2Wo0.7±0.1, range Fs1.6-2.2Wo0.7-1.0, n=11).

Classification: Carbonaceous chondrite (CV3).

Specimens: 21.8 g at UCLA; main mass with Verish.

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2021 Feb 1
Mass (g):371
Pieces:1
Class:CV3
Shock stage:S2
Weathering grade:moderate
Fayalite (mol%):22.4±15.4
Ferrosilite (mol%):1.9±0.2
Wollastonite (mol%):0.7±0.1
Classifier:D. Sheikh, FSU
Type spec mass (g):21.8
Type spec location:UCLA
Main mass:Verish
Finder:anonymous
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)
Verish: Robert Verish, Meteorite-Recovery Lab, P.O. Box 463084, Escondido, CA 92046, United States; Website (private address; updated 27 May 2009)
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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Photos:
CreditPhotos
Public domain photographs:
Daniel Sheikh   
Geography:

Algeria
Coordinates:Unknown.

Statistics:
     This is 1 of 1294 approved meteorites from Algeria (plus 30 unapproved names) (plus 4 impact craters)

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