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Northwest Africa 13273
Basic information Name: Northwest Africa 13273
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13273
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass:help 6.06 kg
Classification
  history:
Recommended:  L6    [explanation]

This is 1 of 11580 approved meteorites (plus 10 unapproved names) classified as L6.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 21 Mar 2020
Writeuphelp
Writeup from MB 109:

Northwest Africa 13273 (NWA 13273)

(Northwest Africa)

Purchased: 2019 Oct

Classification: Ordinary chondrite (L6)

History: Purchased by Grant Harkness in October 2019 from a dealer in Zagora, Morocco, and later sold to Patrick Brown.

Petrography: (A. Irving, UWS and J. Boesenberg, BrownU) Extensively recrystallized specimen with rare remnant partial chondrules and altered metal grains.

Geochemistry: Olivine (Fa24.8±0.3, range Fa24.5-25.3, N = 5), low-Ca pyroxene (Fs20.8±0.2Wo1.3±0.3, range Fs20.6-21.1Wo1.0-1.7, N = 5), augite (Fs7.8±0.8Wo44.5±0.8, range Fs6.9-8.3Wo43.5-45.1, N = 3).

Classification: Ordinary chondrite (L6).

Specimens: 53.95 g including one polished thin section at PSF; main mass plus one polished thin section with Mr. P. Brown.

Data from:
  MB109
  Table 0
  Line 0:
Place of purchase:Zagora
Date:P 2019 Oct
Mass (g):6056
Pieces:1
Class:L6
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):24.8±0.3
Ferrosilite (mol%):20.8±0.2
Wollastonite (mol%):1.3±0.3
Classifier:A. Irving, UWS, and J. Boesenberg, BrownU
Type spec mass (g):54.0
Type spec location:PSF
Main mass:P. Brown
Comments:Work name HC19; submitted by A. Irving
Institutions
   and collections
PSF: Planetary Studies Foundation,10 Winterwood Lane, Unit B, Galena, Illinois 61036-9283, United States; Website (institutional address; updated 1 Dec 2011)
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
BrownU: Brown University Providence, RI 02912, United States (institutional address; updated 7 Sep 2019)
Catalogs:
References: Published in Meteoritical Bulletin, no. 109, in preparation (2020)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7912 approved meteorites from (Northwest Africa) (plus 1974 unapproved names)

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