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Northwest Africa 12799
Basic information Name: Northwest Africa 12799
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 12799
Observed fall: No
Year found: 2018
Country: (Northwest Africa)
Mass:help 191 g
Classification
  history:
Recommended:  LL5-6    [explanation]

This is 1 of 59 approved meteorites classified as LL5-6.   [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 27 Jul 2019
Writeuphelp
Writeup from MB 108:

Northwest Africa 12799 (NWA 12799)

(Northwest Africa)

Purchased: 2018

Classification: Ordinary chondrite (LL5-6)

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

Physical characteristics: Three grayish fragments with some fusion crust.

Petrography: The meteorite is a chondritic breccia composed of L6-type fragments (plagioclase grain size about 60 µm) set into L5-type matrix (plagioclase grain size about 30 µm).

Data from:
  MB108
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2018
Mass (g):191
Pieces:3
Class:LL5-6
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):29.9±1.0 (n=12)
Ferrosilite (mol%):24.6±0.5 (n=11)
Wollastonite (mol%):2.8±0.5 (n=11)
Classifier:A. Greshake, MNB
Type spec mass (g):21.3
Type spec location:MNB
Main mass:Marcin Cimala
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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