State/Prov/County: Gao, Mali
Date: 2023
Latitude: 20°28'44.8"N
Longitude: 1°09'19.7"W
Mass (g): 546
Pieces: 4
Class: CK6
Weathering grade: low
Classifier: J. Gattacceca, CEREGE
Main mass: Isabelle Pothier
History: The stones were found in 2023 in the Timtaghene region of Mali, and later bought by Isabelle Pothier from a Moroccan dealer.
Petrography: (J. Gattacceca, CEREGE) Recrystallized chondrite with large chondrules set in a coarse matrix containing plagioclase with average size above 50 µm. Opaque minerals are abundant magnetite, and troilite.
Geochemistry: Olivine Fa33.0±0.1, NiO 0.51±0.10 wt% (n=3). Orthopyroxene Fs28.1Wo0.5 (n=1). Magnetite has 4.2 wt% Cr2O3 (n=2).
Classification: Carbonaceous chondrite (CK6).
