Heterosite Bjorling C O, Westgren A Geologiska Foreningens i Stockholm Forhandlingar 60 (1938) 67-72 Minerals of the Varustrask Pegmatite. IX. X-ray studies of triphylite, varulite and their oxidation products Locality: Varustrask pegmatite, Sweden _database_code_amcsd 0018613 4.760 9.680 5.819 90 90 90 Pbnm atom x y z Fe -.028 .278 .25 P .417 .097 .25 O1 -.250 .056 .25 O2 .250 .444 .25 O3 .194 .167 .028