Bobos, Iuliu; Vieillard, Philippe; Charoy, Bernard; Noronha, Fernando
(The Clay Minerals SocietyThe Clay Minerals Society, 2007)
The alteration of spodumene to cookeite has been identified in a Li-bearing aplite-pegmatite from northern Portugal. Optical microscopy and scanning and transmission electron microscopy (SEM/ TEM) were used to characterize ...