Meteoritical Bulletin: Entry for Northwest Africa 12300

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Northwest Africa 12300

Basic information

Name: Northwest Africa 12300
This is an OFFICIAL meteorite name.
Abbreviation: NWA 12300
Observed fall: No
Year found: 2018
Country: (Northwest Africa)
Mass: 273 g

Classification
history:

Meteoritical Bulletin:	MB 107	(2018)	H~5
Recommended:			H~5 [explanation]

This is 1 of 192 approved meteorites classified as H~5. [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)

Comments:

Approved 9 Nov 2018

Writeup

Writeup from MB 107:

Northwest Africa 12300 (NWA 12300)

(Northwest Africa)

Purchased: 2018

Classification: Ordinary chondrite (H~5)

History: (Ziyao Wang) Purchased by Wang Ziyao from Sadam Sbai during the China (Hunan) Mineral & Gem Show in Chenzhou City in May 2018.

Physical characteristics: (Wang Ziyao) Gray-black stone of 273 g, metal bumps are recognizable on the surface.

Petrography: (R. Bartoschewitz, Bart) Gray-black recrystallized matrix with poor developed chondrules (0.2-1.4 mm, av. 0.5 mm), irregular shaped metal and sulphide grains (<0.1-1.5 mm).

Geochemistry: Magnetic susceptibility (R. Bartoschewitz, Bart) log χ (× 10^-9 m³/kg) = 5.12

Classification: Ordinary chondrite (H~5, W1)

Specimens: 21.2 g on deposit at Kiel, Wang Ziyao holds the main mass, and 38 g with Bart.

Data from:
  MB107
  Table 0
  Line 0:

Origin or pseudonym:	desert
Place of purchase:	Chenzhou, Hunan
Date:	P 2018
Mass (g):	273
Pieces:	1
Class:	H~5
Weathering grade:	W1
Magnetic suscept.:	5.12
Classifier:	R. Bartoschewitz
Type spec mass (g):	21.2
Type spec location:	Kiel
Main mass:	Wang Ziyao
Finder:	anonymous
Comments:	working name WZ38; 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. 107, MAPS 55, 460-462

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Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9710 approved meteorites from (Northwest Africa) (plus 1853 unapproved names)

Also see:

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Revision
history:

This lists important revisions made to data for this record.

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