Billwiseite, ideally Sb3+5(Nb,Ta)3WO18, a new oxide mineral species from the Stak Nala Pegmatite, Nanga Parbat - Haramosh Massif, Pakistan: description and crystal structure
Authors of publication
Hawthorne, F. C.; Cooper, M. A.; Ball, N. A.; Abdu, Y. A.; Cerny, P.; Camara, F.; Laurs, B. M.