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| Northwest Africa 13898 | |||||||||||||||||||||||||||||||||
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| Basic information | Name: Northwest Africa 13898 This is an OFFICIAL meteorite name. Abbreviation: NWA 13898 Observed fall: No Year found: 2020 Country: (Northwest Africa) Mass:  4.95 kg | ||||||||||||||||||||||||||||||||
| Classification history: |
This is 1 of 21 approved meteorites classified as Diogenite-olivine. [show all] Search for other: Achondrites, Diogenites, and HED achondrites | ||||||||||||||||||||||||||||||||
| Comments: | Approved 28 Aug 2021 | ||||||||||||||||||||||||||||||||
| Writeup |
Writeup from MB 110:
Northwest Africa 13898 (NWA 13898) (Northwest Africa) Purchased: 2020 Classification: HED achondrite (Diogenite, olivine) History: (Ziyao Wang) Purchased by Ziyao Wang from Hamza Lharbi in Guelmim in Feb. 2020. Physical characteristics: (Ziyao Wang) 2 yellow-brown fragile fragments of 2147 and 2708 g plus 95 g of many small fragments below 5 g, totaling 4950 g. The broken faces present recognizable crystal faces. Partly covered by brownish fusion crust. Petrography: (R. Bartoschewitz, Bart) gabbroic texture of orthopyroxene and olivine (px:ol~3:2 by IR-spectroscopy) with chromite up to 1 mm and troilite. Geochemistry: (R. Bartoschewitz, Bart, P. Appel and B. Mader, Kiel) Pyroxene Fs22-25Wo2-1, FeO/MnO=28 (n=7); olivine Fo73,FeO/MnO=45 (n=5); chromite CRAL=77, FFM=82 (n=5); troilite Co=0.1 wt%. Magnetic susceptibility (R. Bartoschewitz, Bart) log χ (× 10-9 m3/kg) = 4.02 Classification: Diogenite, olivine-bearing Specimens: 27.7 g at Kiel, Ziyao Wang hold the main mass, and 210 g with Bart. | ||||||||||||||||||||||||||||||||
| Data from: MB110 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) |
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| Catalogs: |
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| 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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| Photos: |
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| Geography: |
Statistics: This is 1 of 9429 approved meteorites from (Northwest Africa) (plus 1876 unapproved names) | ||||||||||||||||||||||||||||||||