Tapiolite-(Fe)
Zema M, Tarantino S C, Giorgiani A
Mineralogical Magazine 70 (2006) 319-328
Structural changes induced by cation ordering in ferrotapiolite
Note: Crystal Kim24_q1, treated at 700 C for 30 min
Locality: Kimito, Finland
_database_code_amcsd 0018723
4.7499 4.7499 9.2716 90 90 90 P4_2/mnm
atom      x     y      z  occ
Fe(A)     0     0      0 .508
Ta(A)     0     0      0 .492
Fe(B)     0     0 .33262 .246
Ta(B)     0     0 .33262 .689
Nb(B)     0     0 .33262 .065
O1    .3043 .3043      0
O2    .2991 .2991  .3304