Beautiful full slice one side mirror polish. This ureilite is diamond rich!
Northwest Africa 12806 (NWA 12806)
History: The meteorite was purchased from a local meteorite dealer in Agadir, Morocco.
Physical characteristics: Brownish fragment without fusion crust.
Petrography: The meteorite shows a cumulate texture of up to 1.5 mm sized and mostly elongated olivine and pigeonite grains. It contains flaky graphite; olivine displays characteristic reduced rims.
Geochemistry: reduced rims in olivine: Fa2.1-6.1; olivine contains 0.73±0.04 wt% Cr2O3 and 0.40±0.01 wt% CaO