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Northwest Africa 14467
Basic information Name: Northwest Africa 14467
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14467
Observed fall: No
Year found: 2020
Country: Niger
Mass:help 3.6 kg
Classification
  history:
Meteoritical Bulletin:  MB 110  (2022)  H5/6
Recommended:  H5/6    [explanation]

This is 1 of 256 approved meteorites classified as H5/6.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 5 Dec 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 14467 (NWA 14467)

Niger

Purchased: 2020

Classification: Ordinary chondrite (H5/6)

History: Jean-Benoît de Mascarel purchased from a mineral and artefact dealer six fusion-crusted stones found within two kilometers of one another 60 km from a place called Ahouzigar, itself located 230 km ENE from Agadez.

Physical characteristics: Writeup physical: 1111 g ("Mascarel 2"), 519 g ("Mascarel 3"), 1357 g ("Mascarel 4"), 273 g ("Mascarel 5"), 322 g ("Macarel 7").

Petrography (E. Jacquet): Chondrules rarely discernible. Most troilite is fizzed (e.g. Bennett & McSween 1996).

Classification: Ordinary chondrite H5/6. A fifth stone, "Mascarel 6" (600 g), found it the same area, but it is much more weathered, and has too low magnetic susceptibility for an H chondrite (log χ (× 10-9 m3/kg) = 3.44-3.59), so may not be paired with the others

Specimens: 273 g at the MNHNP, and the four remaining stones totalling 3329 g with de Mascarel.

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Agadez
Date:P 2020
Mass (g):3602
Pieces:5
Class:H5/6
Weathering grade:W0
Fayalite (mol%):18.13±0.02 (N=2)
Ferrosilite (mol%):15.9±0.2 (N=2)
Wollastonite (mol%):1.5±0.1 (N=2)
Magnetic suscept.:5.33
Classifier:Emmanuel Jacquet, MNHNP
Type spec mass (g):273
Type spec location:MNHNP
Main mass:Jean-Benoît de Mascarel
Comments:Field names: Mascarel 2,3,4,5,6,7 (or "Mascarel-rectangle"); submitted by E. Jacquet
Institutions
   and collections
MNHNP: Museum National d'Histoire Naturelle, IMPMC-CP52, 57 rue Cuvier, 75005 Paris, France, France; Website (institutional address)
Catalogs:
References: Published in Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4
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Geography:

Niger
Coordinates:Unknown.

Statistics:
     This is 1 of 119 approved meteorites from Niger (plus 4 unapproved names)
Also see:
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Revision
  history:
  This lists important revisions made to data for this record.

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