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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 674 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 Gattacceca J., McCubbin F. M., Grossman J., Bouvier A., Bullock E., Chennaoui Aoudjehane H., Debaille V., D’Orazio M., Komatsu M., Miao B. and Schrader D. L. (2021) The Meteoritical Bulletin, No. 109. Meteoritics & Planetary Science 56, 1626–1630.
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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 286 approved meteorites from Western Sahara (plus 20 unapproved names) | ||||||||||||||||||||||||||||||||||||
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