Northwest Africa 8447 (NWA 8447)
(Northwest Africa)
Purchased: 2014
Classification: Carbonaceous chondrite (CK6)
History: Purchased in Morocco in 2014
Physical characteristics: A single crusted stone. Cut surface reveals poorly delineated dark chondules (up to 1 mm) and CAIs (up to 1 mm) embedded in a gray to greenish matrix.
Petrography: Chondrule mean apparent size 750±340 μm (n=26). Matrix plagioclase up to 200 μm
Geochemistry: Olivine Fa34.1±0.3 (PMD = 0.8, n=10, range 33.6-34.5). CPX Fs9.8Wo48.8 (n=2). Magnetite contains 5.1 wt.% Cr2O3. Magnetic susceptibility log χ = 4.57 (χ in 10-9 m3/kg)
Classification: Carbonaceous chondrite (CK6)
Specimens: 8.4 g and a polished section in CEREGE. Main mass with Pierre-Marie Pelé
