Meteoritical Bulletin: Entry for Northwest Africa 12332

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Northwest Africa 12332

Basic information

Name: Northwest Africa 12332
This is an OFFICIAL meteorite name.
Abbreviation: NWA 12332
Observed fall: No
Year found: 2018
Country: (Northwest Africa)
Mass: 203 g

Classification
history:

Meteoritical Bulletin:	MB 108	(2020)	LL3
Recommended:			LL3 [explanation]

This is 1 of 507 approved meteorites classified as LL3. [show all]
Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)

Comments:

Approved 12 Apr 2019

Writeup

Writeup from MB 108:

Northwest Africa 12332 (NWA 12332)

(Northwest Africa)

Purchased: March 2018

Classification: Ordinary chondrite (LL3)

Physical characteristics: Eleven stones from 2 to 107 g.

Petrography: Chondrite with well defined chondrules set in a fine grain matrix. Matrix 28 vol% from point counting (n=336). Average apparent chondrule size 710±420 μm (n=40). Strong weathering.

Geochemistry: Olivine Fa_10.3±6.1, PMD=51%, range Fa_1.9-21.4, Cr₂O₃=0.26±0.15wt%, n=10. Low-ca pyroxene Fs_10.3±4.9Wo_1.86±2.0, range Fs_8.9-21.7Wo_0.4-5.3(n=4)

Classification: Ordinary chondrite, LL3. LL group from magnetic susceptibility.

Specimens: 20.96 g and a polished section at CEREGE. Main mass with Kuntz

Data from:
  MB108
  Table 0
  Line 0:

Place of purchase:	Zagora
Date:	P March 2018
Mass (g):	203.4
Pieces:	11
Class:	LL3
Weathering grade:	W1
Fayalite (mol%):	10.3±6.1 (n=10)
Ferrosilite (mol%):	10.3±4.9 (n=4)
Wollastonite (mol%):	1.9±2.0
Magnetic suscept.:	3.22
Classifier:	L.K. Ruggiu and J. Gattacceca, CEREGE
Type spec mass (g):	20.96
Type spec location:	CEREGE
Main mass:	Fabien Kuntz
Comments:	Work name K375; submitted by Lisa Krämer Ruggiu

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. 108 (2020) Meteorit. Planet. Sci. 55, 1146-1150

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Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9921 approved meteorites from (Northwest Africa) (plus 1838 unapproved names)

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