Meteoritical Bulletin: Entry for Northwest Africa 6734

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Northwest Africa 6734

Basic information

Name: Northwest Africa 6734
This is an OFFICIAL meteorite name.
Abbreviation: NWA 6734
Observed fall: No
Year found: 2004
Country: (Northwest Africa)
Mass: 50.3 g

Classification
history:

Meteoritical Bulletin:	MB 100	(2012)	EL6
Recommended:			EL6 [explanation]

This is 1 of 133 approved meteorites classified as EL6. [show all]
Search for other: EL chondrites, Enstatite chondrites, Enstatite chondrites (type 4-7), and Enstatite-rich meteorites

Comments:

Approved 5 Nov 2011

Writeup

help

Writeup from MB 100:

Northwest Africa 6734 (NWA 6734)

(Northwest Africa)

Purchased: 2004

Classification: Enstatite chondrite (EL6)

History: The stone was purchased in Casablanca by a meteorite dealer in 2004.

Physical characteristics: (R. Bartoschewitz, Bart) One 50.3 g stone with deep fractures. Magnetic susceptibility log χ = 4.46 (χ in m³/kg × 10^-9).

Petrography: (R. Bartoschewitz, Bart) The thin section show few poorly defined chondrules below 1 mm, pyroxene and some feldspar fragments set in a matrix of oxidized veins and a melt pool. Accessory minerals are kamacite, taenite, troilite, daubreelite and osbornite.

Geochemistry: (R. Bartoschewitz, Bart, and P. Appel and B. Mader Kiel) Pyroxene Fs_0.06-1.06Wo_1.3-1.5; feldspar An₁₆Or_4.Kamacite Ni = 6.0-6.3, Si=0.9-1.1Co = 0.5; taenite Ni = 21.4, Si=1.1, Co=0.3; troilite Ti=0.5-1.0, Cr=0.6-0.9; daubreelite Mn=2.3 (wt%).

Classification: Enstatite chondrite EL6 (W3)

Specimens: Main mass with Bart; type specimen, 10.6 g, Kiel.

Data from:
  MB100
  Table 1
  Line 1503:

Place of purchase:	Casablanca
Date:	P 2004
Mass (g):	50.3
Pieces:	1
Class:	EL6
Weathering grade:	W3
Ferrosilite (mol%):	0.4 (0.1-1.1)
Wollastonite (mol%):	1.3-1.4
Magnetic suscept.:	4.46
Classifier:	R. Bartoschewitz
Type spec mass (g):	10.4
Type spec location:	Kiel
Main mass:	Bart
Finder:	anonymous
Comments:	Submitted by Bartoschewitz

Institutions
and collections

Kiel: Geologisches und Mineralogisches Museum, Institut für Geowissenschaften, Christian-Albrechts-Universität Kiel, Ludewig-Mayn-Str. 10, D-24118 Kiel, Germany, Germany (institutional address; updated 13 Sep 2013)
Bart: Bartoschewitz Meteorite Laboratory, Weiland 37, D-38518 Gifhorn, Germany; Website (private address; updated 30 Nov 2019)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 100, MAPS 49, E1-E101 (2014)

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Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)

Also see:

This lists the most popular meteorites among people who looked up this meteorite.

Revision
history:

This lists important revisions made to data for this record.

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