Calcio-olivine Udagawa S, Urabe K, Natsume M, Yano T Cement and Concrete Research 10 (1980) 139-144 Refinement of the crystal structure of gamma-Ca2SiO4 Locality: synthetic _database_code_amcsd 0017745 5.081 11.224 6.778 90 90 90 Pbnm atom x y z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Cal 0 0 0 .0054 .0017 .0016 -.0004 -.0003 -.0004 Ca2 -.0099 .2809 .25 .0059 .0011 .0020 .0003 0 0 Si .4275 .0966 .25 .0030 .0012 .0017 .0020 0 0 O1 -.2543 .0937 .25 .0050 .0019 .0034 -.0010 0 0 O2 .2974 -.0384 .25 .0065 .0010 .0041 .0004 0 0 O3 .2985 .1624 .0575 .0061 .0016 .0023 .0003 -.0008 .0001