Most tourmaline in the Stewart dike has somewhat large amounts of Zn. Tourmaline samples from other Pala pegmatites and various pegmatite districts had been analyzed (Desk eight) to find out In the event the superior Zn content material in the Stewart tourmalines was standard or anomalous. Comparison of pegmatite tourmaline https://charlesv918jti4.eqnextwiki.com/user