Meteoritical Bulletin: Entry for Northwest Africa 12331

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Northwest Africa 12331

Basic information

Name: Northwest Africa 12331
This is an OFFICIAL meteorite name.
Abbreviation: NWA 12331
Observed fall: No
Year found: 2018
Country: (Northwest Africa)
Mass: 753 g

Classification
history:

Meteoritical Bulletin:	MB 107	(2018)	L3
Recommended:			L3 [explanation]

This is 1 of 861 approved meteorites (plus 2 unapproved names) classified as L3. [show all]
Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)

Comments:

Approved 6 Dec 2018

Writeup

Writeup from MB 107:

Northwest Africa 12331 (NWA 12331)

(Northwest Africa)

Purchased: March 2018

Classification: Ordinary chondrite (L3)

Geochemistry: Olivine Fa_25.4±2.5, PMD=8%, range Fa_23.5-29.9, Cr₂O₃=0.02±0.03wt%, n=5. Low-ca pyroxene Fs_14.4±4.7Wo_0.6±0.3, range Fs_8.9-21.7Wo_0.3-1.1(n=4).

Specimens: 23.13 g and a polished section at CEREGE. Main mass with Fabien Kuntz

Data from:
  MB107
  Table 0
  Line 0:

Place of purchase:	Zagora
Date:	P March 2018
Mass (g):	753
Pieces:	1
Class:	L3
Weathering grade:	W2
Fayalite (mol%):	25.4±2.5 (n=5)
Ferrosilite (mol%):	14.4±4.7 (n=4)
Wollastonite (mol%):	0.6±3.32
Magnetic suscept.:	4.45
Classifier:	L. Krämer Ruggiu and J. Gattacceca, CEREGE
Type spec mass (g):	23.13
Type spec location:	CEREGE
Main mass:	Fabien Kuntz
Comments:	Work name K382; 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. 107, MAPS 55, 460-462

Find references in NASA ADS:
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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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