NWA 13702 CK5 #6- 2,2 g
58,26 $NWA 13702 is a CK5 type meteorite with very large chondrules of only 34.5 grams.
The reference fall is the Karoonda meteorite that fell in 1930 in Australia.
Writeup from MB 110 :
Northwest Africa 13702 (NWA 13702)
Morocco
Purchased: 2020
Classification: Carbonaceous chondrite (CK5)
History: Bought from Mohamed El Guirah in Zagora in 2020.
Physical characteristics: A single stone with fusion crust and a grey interior.
Petrography: (J. Gattacceca, CEREGE) Recrystallized chondrite with large chondrules set in a recrystallized matrix. Opaque minerals are Cr-bearing magnetite and troilite.
Geochemistry: Olivine Fa34.1±0.1, NiO 0.55±0.07 wt% (n=4). Magnetite has 5.4 wt% Cr2O3.
Classification: Carbonaceous chondrite (CK5)
Specimens: Type specimen at CEREGE.
Main mass with Jean Redelsperger.