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Northwest Africa 12880
Basic information Name: Northwest Africa 12880
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 12880
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass:help 115 g
Classification
  history:
Recommended:  CV3    [explanation]

This is 1 of 507 approved meteorites (plus 1 unapproved name) classified as CV3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites
Comments: Approved 6 Oct 2019
Writeuphelp
Writeup from MB 108:

Northwest Africa 12880 (NWA 12880)

(Northwest Africa)

Purchased: 2019

Classification: Carbonaceous chondrite (CV3)

History: The meteorite was purchased from a meteorite dealer in Algeria.

Physical characteristics: Many brownish fragments without fusion crust.

Petrography: The carbonaceous chondrite displays a dark brownish interior and is composed of chondrules (mean diameter about 1 mm; up to 2 mm sized), CAIs (up to 5 mm), and olivine amoeboids all set into a fine-grained matrix. Type II chondrules are absent. Several chondrules show reddish staining due to terrestrial weathering.

Data from:
  MB108
  Table 0
  Line 0:
Place of purchase:Algeria
Date:P 2019
Mass (g):115
Pieces:many
Class:CV3
Shock stage:S2
Weathering grade:moderate
Fayalite (mol%):6.3±6.4 (0.7-17.8, n=21)
Ferrosilite (mol%):1.1±0.3 (0.7-1.6, n=15)
Wollastonite (mol%):0.9±0.1 (0.8-1.0, n=15)
Classifier:A. Greshake, MNB
Type spec mass (g):21.5
Type spec location:MNB
Main mass:anonymous
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:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6968 approved meteorites from (Northwest Africa) (plus 2012 unapproved names)

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