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Northwest Africa 12823 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 12823 This is an OFFICIAL meteorite name. Abbreviation: NWA 12823 Observed fall: No Year found: 2018 Country: Algeria Mass: 36.8 g | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 81 approved meteorites classified as Pallasite. [show all] Search for other: Metal-rich meteorites, Pallasites | ||||||||||||||||||||||||||||
Comments: | Approved 14 Sep 2019 | ||||||||||||||||||||||||||||
Writeup |
Writeup from MB 108:
Northwest Africa 12823 (NWA 12823) Algeria Purchased: 2018 Classification: Pallasite History: (Ziyao Wang) Purchased by Ziyao Wang from Adnane Sami during the China Mineral & Gem Show in Beijing City in Nov. 2018. Physical characteristics: (Ziyao Wang) 3 brown stones totaling 36.8 g, without fusion crust. Petrography: (R. Bartoschewitz, Bart) Metal phase is weathered completely to Fe-hydroxides and bear olivine grains up to 5 mm. Geochemistry: (R. Bartoschewitz, Bart, P. Appel and B. Mader, Kiel) Olivine Fa13.3±0.1 (n=5). Oxidized metal: ~57 % Fe, ~3 % Ni. Magnetic susceptibility (R. Bartoschewitz, Bart) log χ (× 10-9 m3/kg) = 5.13 Classification: Pallasite Specimens: 7.6 g on deposit at Kiel, Ziyao Wang holds the main mass, and 2.2 g with Bart. | ||||||||||||||||||||||||||||
Data from: MB108 Table 0 Line 0: |
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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) Beijing: Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China (institutional address; updated 16 Oct 2011) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 108 (2020) Meteorit. Planet. Sci. 55, 1146-1150
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Geography: |
Statistics: This is 1 of 1336 approved meteorites from Algeria (plus 30 unapproved names) (plus 4 impact craters) | ||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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