Meteoritical Bulletin: Entry for Northwest Africa 11535

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Northwest Africa 11535

Basic information

Name: Northwest Africa 11535
This is an OFFICIAL meteorite name.
Abbreviation: NWA 11535
Observed fall: No
Year found: 2017
Country: (Northwest Africa)
Mass: 264 g

Classification
history:

Meteoritical Bulletin:	MB 106	(2018)	CK6
Recommended:			CK6 [explanation]

This is 1 of 85 approved meteorites classified as CK6. [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (equilibrated), CK chondrites, CK chondrites (type 4-6), and CV-CK clan chondrites

Comments:

Approved 26 Dec 2017

Writeup

Writeup from MB 106:

Northwest Africa 11535 (NWA 11535)

(Northwest Africa)

Purchased: 2017

Classification: Carbonaceous chondrite (CK6)

Physical characteristics: Dark-brown stone. Cut surface reveals a dark-gray interior with poorly defined chondrules.

Petrography: (J. Gattacceca, H. Pourkhorsandi, CEREGE) Equilibrated chondrite with average chondrule size 820 μm (N=12). Opaque are mostly magnetite (euhedral and sub-euhedral), accessory troilite.

Geochemistry: Olivine Fa_25.8±0.4, NiO 0.58±0.16 wt% (N=4). Orthopyroxene Fs_23.6Ws0.8 (N=1). Magnetite has 3.0 wt% Cr₂O₃ (N=1).

Classification: Carbonaceous chondrite (CK6)

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

Data from:
  MB106
  Table 0
  Line 0:

Place of purchase:	Erfoud
Date:	P 2017
Mass (g):	263.8
Pieces:	1
Class:	CK6
Weathering grade:	moderate
Magnetic suscept.:	4.79
Classifier:	J. Gattacceca, H. Pourkhorsandi, CEREGE
Type spec mass (g):	23.19
Type spec location:	CEREGE
Main mass:	Kuntz
Comments:	work name K332; 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 Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.

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Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9914 approved meteorites from (Northwest Africa) (plus 1841 unapproved names)

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