Meteoritical Bulletin: Entry for Northwest Africa 6504

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Northwest Africa 6504

Basic information

Name: Northwest Africa 6504
This is an OFFICIAL meteorite name.
Abbreviation: NWA 6504
Observed fall: No
Year found: 2009
Country: (Northwest Africa)
Mass: 45 g

Classification
history:

Meteoritical Bulletin:	MB 101	(2012)	L3
Recommended:			L3 [explanation]

This is 1 of 848 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 4 Oct 2012

Writeup

Writeup from MB 101:

Northwest Africa 6504 (NWA 6504)

Morocco/Algeria

Purchased: Feb 2009

Classification: Ordinary chondrite (L3)

Petrography: The rock is less recrystallized and less equilibrated than H3.8 Dhajala. Many of the low-Ca pyroxene grains have polysnthetic twins. Chondrules lack clear transparent glass. Chondrules average about 400 μm in diameter.

Data from:
  MB101
  Table 0
  Line 0:

Place of purchase:	Purchased from G. Hupe
Date:	P Feb 2009
Mass (g):	45
Pieces:	1
Class:	L3
Shock stage:	S2
Weathering grade:	W3
Fayalite (mol%):	24.9±7.6 (n=10)
Classifier:	A.E. Rubin, UCLA
Type spec mass (g):	13.8
Type spec location:	UCLA
Main mass:	JUtas
Finder:	anonymous
Comments:	Submitted by JUtas

Institutions
and collections

UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011)
JUtas: Jason Utas, United States (private address; updated 8 Jun 2010)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 101, MAPS 50, 1661, September 2015

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Geography:

Coordinates:

Unknown.

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

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Revision
history:

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