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Northwest Africa 13505
Basic information Name: Northwest Africa 13505
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13505
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass:help 92.8 g
Classification
  history:
Meteoritical Bulletin:  MB 109  (2020)  CK5
Recommended:  CK5    [explanation]

This is 1 of 215 approved meteorites classified as CK5.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (equilibrated), CK chondrites, CK chondrites (type 4-6), and CV-CK clan chondrites
Comments: Approved 14 Nov 2020
Writeuphelp
Writeup from MB 109:

Northwest Africa 13505 (NWA 13505)

(Northwest Africa)

Purchased: 2019 Oct

Classification: Carbonaceous chondrite (CK5)

History: Bought from a dealer from northwest Africa.

Physical characteristics: Dark brown stone. Cut surface shows a dark interior with large chondrules set in abundant matrix.

Petrography: (J. Gattacceca, CEREGE) Chondrite with large chondrules (average apparent diameter 710±300, n=12) set in a recrystallized matrix with plagiocalse typical size 40 µm. The main opaque phases are Cr-rich magnetite and sulfides. Rare metal.

Geochemistry: Olivine Fa31.2±0.2, NiO 0.48±0.08 wt% (n=6). Ca-pyroxene Fs10.8Wo48.5 (n=1). Plagioclase An43.6Ab53.7Or2.6 (n=2). Magnetite has 3.76 wt% Cr2O3 (n=2).

Classification: Carbonaceous chondrite (CK5)

Specimens: Type specimen at CEREGE. Main mass with Kuntz.

Data from:
  MB109
  Table 0
  Line 0:
Place of purchase:Munich, Germany
Date:P 2019 Oct
Mass (g):92.8
Pieces:2
Class:CK5
Weathering grade:low
Fayalite (mol%):31.2±0.2 (n=6)
Magnetic suscept.:4.61
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):20.2
Type spec location:CEREGE
Main mass:Kuntz
Comments:work name K490; submitted by Jérôme Gattacceca
Institutions
   and collections
CEREGE: CEREGE BP 80 Avenue Philibert, Technopole de l'Arbois 13545 Aix-en-Provence Cedex 4 France, France (institutional address; updated 10 Jun 2023)
Kuntz: Fabien Kuntz, France; Website (private address)
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 9627 approved meteorites from (Northwest Africa) (plus 1865 unapproved names)
Also see:
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Revision
  history:
  This lists important revisions made to data for this record.

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