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Northwest Africa 12672
Basic information Name: Northwest Africa 12672
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 12672
Observed fall: No
Year found: 2018
Country: (Northwest Africa)
Mass:help 14 g
Classification
  history:
Recommended:  CM2    [explanation]

This is 1 of 526 approved meteorites classified as CM2.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 2), CM chondrites, and CM-CO clan chondrites
Comments: Approved 11 Jun 2019
Writeuphelp
Writeup from MB 108:

Northwest Africa 12672 (NWA 12672)

(Northwest Africa)

Purchased: 2018

Classification: Carbonaceous chondrite (CM2)

History: The meteorite was purchased from a local meteorite dealer in Morocco.

Physical characteristics: Three black fragments partly covered with fusion crust.

Petrography: Strongly brecciated matrix-dominated carbonaceous chondrite with chondrules (mean diameter about 300 μm), mineral fragments and few CAIs. Some of the components are dust-mantled. Matrix is Fe-rich and composed of Ca-carbonates, phyllosilicates, and Fe-sulfides. Cracks are often filled with terrestrial alteration products.

Data from:
  MB108
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2018
Mass (g):14
Pieces:3
Class:CM2
Shock stage:S1
Weathering grade:low
Fayalite (mol%):23.2±23.4 (0.6-62.3, n=13)
Ferrosilite (mol%):2.0±1.5 (0.6-4.4, n=17)
Wollastonite (mol%):2.1±1.2 (0.8-4.1, n=17)
Classifier:A. Greshake, MNB
Type spec mass (g):2.8
Type spec location:MNB
Main mass:Vincent Gira
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. 108, in preparation (2019)
Find references in NASA ADS:
Find references in Google Scholar:
Photos:
CreditPhotos
Public domain photographs:
Ansgar Greshake   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6846 approved meteorites from (Northwest Africa) (plus 2038 unapproved names)

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