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| Chwichiya 006 | |||||||||||||||||||||||||||||||||||||
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| Basic information | Name: Chwichiya 006 This is an OFFICIAL meteorite name. Abbreviation: There is no official abbreviation for this meteorite. Observed fall: No Year found: 2020 Country: Western Sahara Mass:  244 g | ||||||||||||||||||||||||||||||||||||
| Classification history: |
This is 1 of 660 approved meteorites classified as ureilite. [show all] Search for other: Achondrites, Ureilites | ||||||||||||||||||||||||||||||||||||
| Comments: | Approved 2 Nov 2020 | ||||||||||||||||||||||||||||||||||||
| Writeup |
Writeup from MB 109:
Chwichiya 006 27° 7’40.65"N, 11°12’33.33"W Saguia el Hamra, Western Sahara Purchased: 2020 Mar Classification: Ureilite History: The meteorite was found by a Moroccan meteorite hunter on his way to hunt for Chwichiya specimens, acquired by a seller in Zagora and subsequently sold to Fabien Kuntz. Physical characteristics: Dark brownish rock without fusion crust. Petrography: The meteorite shows a cumulate texture composed of up to 2 mm sized olivine and pigeonite grains. Both, olivine and pyroxene display characteristic reduced rims and the meteorite contains rare flaky graphite. Some cracks are filled with secondary clacite. Geochemistry: reduced rims in olivine: Fa3.6-13.0; olivine contains 0.90±0.06 wt% Cr2O3 and 0.43±0.02 wt% CaO; reduced rims in pyroxene: Fs7.0-10.5Wo6.6-11.4; pigeonite contains 1.34±0.05 wt% Cr2O3 and 0.60±0.03 wt% Al2O3 | ||||||||||||||||||||||||||||||||||||
| Data from: MB109 Table 0 Line 0: |
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| Institutions and collections |
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011) Kuntz: Fabien Kuntz, France; Website (private address) |
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| Catalogs: |
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| References: | Published in Meteoritical Bulletin, no. 109, in preparation (2020)
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Geography:
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Statistics: This is 1 of 117 approved meteorites from Saguia el Hamra, Western Sahara (plus 1 unapproved name) This is 1 of 280 approved meteorites from Western Sahara (plus 20 unapproved names) | ||||||||||||||||||||||||||||||||||||
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| Also see: |
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| Revision history: |
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