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Northwest Africa 12491
Basic information Name: Northwest Africa 12491
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 12491
Observed fall: No
Year found: 2018
Country: (Northwest Africa)
Mass:help 84.7 g
Classification
  history:
Meteoritical Bulletin:  MB 108  (2020)  L~6
Recommended:  L~6    [explanation]

This is 1 of 190 approved meteorites classified as L~6.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 11 Feb 2019
Writeuphelp
Writeup from MB 108:

Northwest Africa 12491 (NWA 12491)

(Northwest Africa)

Purchased: 2018

Classification: Ordinary chondrite (L~6)

History: Purchased at Hamburg Mineral Show Dec. 2018.

Physical characteristics: 84.7 g brown stone covered with fusion crust

Petrography: (R. Bartoschewitz, Bart) Brown mottled, recrystallized, brecciated matrix, pervaded by black shock melt veins, with nearly complete recrystallized chondrules, metal and sulfide inclusions

Geochemistry: Magnetic susceptibility (R. Bartoschewitz, Bart) log χ (× 10-9 m3/kg) = 4.92

Classification: Ordinary chondrite (L~6, W1)

Specimens: 18.7 g on deposit at Kiel, Bart holds the main mass.

Data from:
  MB108
  Table 0
  Line 0:
Origin or pseudonym:desert
Place of purchase:Hamburg
Date:P 2018
Mass (g):84.7
Pieces:1
Class:L~6
Weathering grade:W1
Magnetic suscept.:4.92
Classifier:R. Bartoschewitz
Type spec mass (g):18.7
Type spec location:Kiel
Main mass:Bart
Finder:anonymous
Comments:NWA-RB16; 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 (2020) Meteorit. Planet. Sci. 55, 1146-1150
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8890 approved meteorites from (Northwest Africa) (plus 1871 unapproved names)

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