Monticellite Pilati T, Demartin F, Gramaccioli C M Acta Crystallographica B51 (1995) 721-733 Thermal parameters for minerals of the olivine group: their implication on vibrational spectra, thermodynamic functions and transferable force fields Locality: Crestmore, California, USA _database_code_amcsd 0019700 11.1098 6.3894 4.8281 90 90 90 Pnma atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Mg1 0 0 0 .88 .0072 .0061 .0056 -.0006 -.0008 -.0016 Fe1 0 0 0 .12 .0072 .0061 .0056 -.0006 -.0008 -.0016 Ca2 .27684 .25 -.02255 .0059 .0063 .0071 0 .0003 0 Si .08156 .25 .41098 .0062 .0056 .0043 0 .0002 0 O1 .07767 .25 -.2543 .0099 .0101 .0047 0 -.0003 0 O2 .44901 .25 .2460 .0059 .0092 .0069 0 -.0001 0 O3 .14753 .0457 .2733 .0081 .0068 .0075 .0013 .0004 .0002