Chwichiya 002 C3.00 Ungrouped
Classification: Carbonaceous chondrite (C3.00-ungrouped). This meteorite is distinct from CM2 chondrites for its larger chondrule size and only incipient aqueous alteration. Type 3.00 is based on the non-detection of phyllosilicates by XRD and microprobe total in the matrix higher than usually measured in type 2 chondrites (see e.g., Ebert et al. 2019, MAPS doi:10.1111/maps.13212), and Raman spectroscopy. Possibly paired with NWA 12957 and NWA 11750 despite having distinct oxygen isotopic composition.
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