Qusongite Fang Q, Bai W, Yang J, Xu X, Li G, Shi N, Xiong M, Rong H American Mineralogist 94 (2009) 387-290 Qusong (WC): A new mineral Locality: Luobusa ophiolite, Qusong County, Tibet, China _database_code_amcsd 0004855 2.902 2.902 2.831 90 90 120 P-6m2 atom x y z W 0 0 0 C 2/3 1/3 .5