Meteoritical Bulletin: Entry for Northwest Africa 6028

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Northwest Africa 6028

Basic information

Name: Northwest Africa 6028
This is an OFFICIAL meteorite name.
Abbreviation: NWA 6028
Observed fall: No
Year found: 2009
Country: (Northwest Africa)
Mass: 341 g

Classification
history:

Meteoritical Bulletin:	MB 104	(2015)	Eucrite
Recommended:			Eucrite [explanation]

This is 1 of 598 approved meteorites (plus 1 unapproved name) classified as Eucrite. [show all]
Search for other: Achondrites, Eucrites, and HED achondrites

Comments:

Approved 18 Feb 2015

Writeup

Writeup from MB 104:

Northwest Africa 6028 (NWA 6028)

(Northwest Africa)

Purchased: 2009

Classification: HED achondrite (Eucrite)

History: The meteorite was bought in 2009 from a Swiss meteorite dealer who had originally obtained it in Morocco.

Physical characteristics: The meteorite partly covered by fusion crust.

Petrography: The meteorite displays an unbrecciated basaltic texture of lath shaped up to 4 mm sized pyroxene and calcic plagioclase crystals. Pyroxenes are frequently exsolved; minor phases include chromite, troilite and SiO₂ polymorphs.

Geochemistry: low-Ca pyroxene: Fs_57.3±1.9Wo_5.4±2.2(Fs_53.9-60.2Wo_2.2-8.6, n=14, FeO/MnO=31-33); Ca-pyroxene: Fs_25.7±0.7Wo_44.8±0.8(Fs_24.7-27.1Wo_43.1-45.7, n=15, FeO/MnO=29-36); calcic plagioclase: An_87.8±0.4(An_86.9-88.4, n=13)

Data from:
  MB104
  Table 0
  Line 0:

Place of purchase:	Bruegg, Switzerland
Date:	P 2009
Mass (g):	341
Pieces:	1
Class:	Eucrite
Shock stage:	moderate
Weathering grade:	low
Ferrosilite (mol%):	57.3; 25.7
Wollastonite (mol%):	5.4; 44.8
Classifier:	A. Greshake, MNB
Type spec mass (g):	20.6
Type spec location:	MNB
Main mass:	Beat Booz
Comments:	Submitted by Ansgar Greshake

Institutions
and collections

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

Catalogs:

References:

Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full

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Photos:

Credit	Photos
Photos from the Encyclopedia of Meteorites:
Sergey Vasiliev
Photos uploaded by members of the Encyclopedia of Meteorites. (Caution, these are of unknown reliability)
Beat Booz

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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