Simple process for lithium extraction from α-spodumene with potassium fluoride: Modeling and optimization All former interpretations of the Stewart pegmatite dike invoked an allogenic origin, formed by fluids derived externally from a nearby or distant granitic system, With all the fluids subsequently migrating to, and intruding, their gabbro/mafic tonalite host. https://calebu123wiw0.wikilentillas.com/user