Meteoritical Bulletin: Entry for Hammadah al Hamra 257

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Hammadah al Hamra 257

Basic information

Name: Hammadah al Hamra 257
This is an OFFICIAL meteorite name.
Abbreviation: HaH 257
Observed fall: No
Year found: 1998
Country: Libya
Mass: 45.8 g

Classification
history:

Meteoritical Bulletin:	MB 83	(1999)	L6
NHM Catalogue:	5th Edition	(2000)	L6
MetBase:	v. 7.1	(2006)	L6
Recommended:			L6 [explanation]

This is 1 of 12780 approved meteorites (plus 11 unapproved names) classified as L6. [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)

Data from:
  MB83
  Table 6
  Line 304:

Date:	Mar 1998
Latitude:	28°48.27'N
Longitude:	12°49.10'E
Mass (g):	45.8
Pieces:	1
Class:	L6
Weathering grade:	W5
Fayalite (mol%):	26.2
Ferrosilite (mol%):	22
Wollastonite (mol%):	1.8
Classifier:	C. Fiéni, M. Ghélis, and B. Zanda (MNHNP)
Comments:	br

Institutions
and collections

MNHNP: Museum National d'Histoire Naturelle, IMPMC-CP52, 57 rue Cuvier, 75005 Paris, France, France; Website (institutional address)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 83, MAPS 34, A169-A186 (1999)

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Geography:

Libya

Coordinates:
Catalogue of Meteorites:	(28° 48'N, 12° 49'E)
Recommended::	(28° 48' 16"N, 12° 49' 6"E)

Note: the NHM and MetBase coordinates are 0.5 km apart

Statistics:
This is 1 of 214 approved meteorites from Gharyan, Libya (plus 16 unapproved names)
This is 1 of 1553 approved meteorites from Libya (plus 24 unapproved names) (plus 2 impact craters)

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Revision
history:

This lists important revisions made to data for this record.

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