Northwest Africa 13483 (NWA 13483)
Place of discovery: Algeria
Find: 2019
Classification: Carbonaceous chondrite (CK5)
History: Purchased from a dealer in Morocco
Physical characteristics: Crusted stones. Cut surface reveal a dark gray interior with a lighter angular lighter clast.
Petrography: (J. Gattacceca, CEREGE) Recrystallized chondrite. Opaques minerals: magnetite, sulfides. The matrix is recrystallized, with plagioclase average size below 50 µm.
Geochemistry: Olivine Fa32.2±1.1, NiO 0.58±0.13 wt% (n=3). Low-Ca pyroxene Fs23.2Wo3.5 (n=1). Magnetite Cr2O3 6.0 wt%.
Classification: Carbonaceous chondrite (CK5).
Specimens: Type specimen at CEREGE. Main mass with Isabelle Pothier.
Mass (g): 350
Pieces: 2
Class: CK5
Weathering grade: low
Classifier: J. Gattacceca, CEREGE
Main mass: Isabelle Pothier
