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Northwest Africa 12495
Basic information Name: Northwest Africa 12495
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 12495
Observed fall: No
Year found: 2018
Country: (Northwest Africa)
Mass:help 73.2 g
Classification
  history:
Recommended:  Eucrite-pmict    [explanation]

This is 1 of 342 approved meteorites classified as Eucrite-pmict.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 21 Sep 2019
Writeuphelp
Writeup from MB 108:

Northwest Africa 12495 (NWA 12495)

(Northwest Africa)

Purchased: 2018

Classification: HED achondrite (Eucrite, polymict)

History: Purchased at Hamburg Mineral Show Dec. 2018.

Physical characteristics: Two laterite-covered fragmens of 57.8 and 15.4 g with little fusion crust

Petrography: (R. Bartoschewitz, Bart) breccia of basaltic, cumulated and cataclastic clasts.

Geochemistry: (R. Bartoschewitz, Bart, P. Appel and B. Mader, Kiel) Pyroxene Fs32.5±5.4Wo3.2±0.4 (n=5), Fe/Mn=30; pigeonite En52Fs40Wo8 (n=5); feldspar An84Or<1 (n=19); ilmenite; SiO2. Kamacite Ni=3.6, Co=0.4 (n=3) (all wt-%); troilite. Magnetic susceptibility log χ (× 10-9 m3/kg) = 2.96

Classification: Achondrite (polymict eucrite)

Specimens: 15.0 g on deposit at Kiel, Bart holds the main mass.

Data from:
  MB108
  Table 0
  Line 0:
Place of purchase:Hamburg
Date:P 2018
Mass (g):73.2
Pieces:2
Class:Eucrite-pmict
Ferrosilite (mol%):32.5±5.4 (n=5)
Wollastonite (mol%):3.2±0.4
Magnetic suscept.:2.96
Classifier:R. Bartoschewitz
Type spec mass (g):15.0
Type spec location:Kiel
Main mass:Bart
Finder:anonymous
Comments:NWA-RB06; submitted by R. Bartoschewitz
Institutions
   and collections
Kiel: Geologisches und Mineralogisches Museum, Institut für Geowissenschaften, Christian-Albrechts-Universität Kiel, Ludewig-Mayn-Str. 10, D-24118 Kiel, Germany, Germany (institutional address; updated 13 Sep 2013)
Bart: Bartoschewitz Meteorite Laboratory, Weiland 37, D-38518 Gifhorn, Germany; Website (private address; updated 30 Nov 2019)
Catalogs:
References: Published in Meteoritical Bulletin, no. 108, in preparation (2019)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7035 approved meteorites from (Northwest Africa) (plus 2000 unapproved names)

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