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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:help 341 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  Eucrite
Recommended:  Eucrite    [explanation]

This is 1 of 425 approved meteorites (plus 1 unapproved name) classified as Eucrite.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 18 Feb 2015
Writeuphelp
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: Fs57.3±1.9Wo5.4±2.2 (Fs53.9-60.2Wo2.2-8.6, n=14, FeO/MnO=31-33); Ca-pyroxene: Fs25.7±0.7Wo44.8±0.8 (Fs24.7-27.1Wo43.1-45.7, n=15, FeO/MnO=29-36); calcic plagioclase: An87.8±0.4 (An86.9-88.4, 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)
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:
CreditPhotos
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 6846 approved meteorites from (Northwest Africa) (plus 2038 unapproved names)

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