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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 583 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 Meteoritical Bulletin, no. 110, in preparation (2021)
Find references in NASA ADS:
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Photos:
CreditPhotos
Public domain photographs:
Daniel Sheikh   
Geography:

Algeria
Coordinates:Unknown.

Statistics:
     This is 1 of 1187 approved meteorites from Algeria (plus 28 unapproved names) (plus 4 impact craters)

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