Tungsten Mills S J, Kartashov P M, Kampf A R, Rumsey M S, Ma C, Stanley C J, Spratt J, Rossman G R, Novgorodova M I Mineralogical Magazine 85 (2021) 76-81 Native tungsten from the Bol'shaya Pol'ya river valley and Mt Neroyka, Russia Locality: Bol'shaya Pol'ya river valley, Russia _database_code_amcsd 0020950 3.1648 3.1648 3.1648 90 90 90 Im3m atom x y z occ W 0 0 0 .997 Mo 0 0 0 .001 Mn 0 0 0 .001 Fe 0 0 0 .001