Northwest Africa 15160 (NWA 15160)
Place of discovery: Algeria
Purchased: 2021
Classification: Ordinary chondrite (L3)
History: Found in 2021 in Algeria, in the Tindouf area. Bought by Isabelle Pothier from Yunès Chaoui in Morocco.
Physical characteristics: Dark stone. Cut surface reveals gray chondrules set in a darker matrix.
Petrography: (J. Gattacceca, CEREGE) Chondrite with ~700 µm packed chondrules. Opaque minerals are Fe,Ni metal and troilite, mostly as compound rounded grains about 250 µm in size.
Geochemistry: Olivine 19.7±4.4, range Fa8.3-23.1, Cr2O3 0.13±0.18 wt% (n=13). Low-Ca pyroxene Fs9.7±6.0Wo1.1±1.1 (n=6).
Specimens: Type specimen at CEREGE. Main mass with Isabelle Pothier.
Mass (g): 262.7
Pieces: 3
Class: L3
Weathering grade: W0
Classifier: J. Gattacceca, CEREGE
