Meteoritical Bulletin: Entry for Northwest Africa 5335

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Northwest Africa 5335

Basic information

Name: Northwest Africa 5335
This is an OFFICIAL meteorite name.
Abbreviation: NWA 5335
Observed fall: No
Year found: 2008
Country: (Northwest Africa)
Mass: 1257 g

Classification
history:

Meteoritical Bulletin:	MB 109	(2020)	Mesosiderite
Recommended:			Mesosiderite [explanation]

This is 1 of 273 approved meteorites classified as Mesosiderite. [show all]
Search for other: Mesosiderites, Metal-rich meteorites

Comments:

Approved 9 Feb 2020

Writeup

Writeup from MB 109:

Northwest Africa 5335 (NWA 5335)

(Northwest Africa)

Purchased: 2008

Classification: Mesosiderite

History: The meteorite was purchased from a meteorite dealer in Besancon, France.

Physical characteristics: Many brownish fragments without fusion crust.

Petrography: The meteorite is composed of about 60% silicates and 40% FeNi metal. The metallic lithology consists of kamacite and taenite, the silicate fraction is dominated by up to 1 mm sized and compositionally zoned low-Ca pyroxene, less abundant olivine, and calcic plagioclase. Minor phases include silica, chromite, troilite, and merrillite.

Geochemistry: olivine: Fa_30.3±0.2(Fa_29.8-30.8, n=12, FeO/MnO=27±3); low-Ca pyroxene: Fs_29.6±5.2Wo_4.6±2.4(Fs_22.3-44.9Wo_1.5-10.2, n=13, FeO/MnO=27±4); calcic plagioclase: An_93.1±1.3(An_91.6-96.0, n=14)

Data from:
  MB109
  Table 0
  Line 0:

Place of purchase:	Besancon, France
Date:	P 2008
Mass (g):	1257
Pieces:	many
Class:	Mesosiderite
Shock stage:	low
Weathering grade:	moderate
Fayalite (mol%):	30.3
Ferrosilite (mol%):	29.6
Wollastonite (mol%):	4.6
Classifier:	A. Greshake, MNB
Type spec mass (g):	20
Type spec location:	MNB
Main mass:	Fabien Kuntz
Comments:	Submitted by Ansgar Greshake

Institutions
and collections

MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Kuntz: Fabien Kuntz, France; Website (private address)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 109, in preparation (2020)

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Photos:

Credit	Photos
Photos uploaded by members of the Encyclopedia of Meteorites. (Caution, these are of unknown reliability)
Nuno Chaves
Qi Lv

Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9710 approved meteorites from (Northwest Africa) (plus 1853 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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