Eucrite-pmict 30.5g

Description

Northwest Africa 049

Northwest Africa

Achondrite (eucrite)

A 276 g stone was purchased in Morocco. Mineralogy and classification (J. Barrat, UAng; P. Gillet, ENSL): contains centimeter­sized ophitic clasts in a brecciated matrix; pyroxenes in clasts are zoned with Mg-rich cores, Fs_32.3Wo_5.9 to Fs_52.7Wo_7.3; clasts contain numerous veinlets of olivine, Fa_78–82; matrix contains pyroxene with variable thicknesses of exsolution lamellae, with or without olivine; this eucrite is probably polymict.