Microlite
Siegrist T, Cava R J, Krajewski J J
Materials Research Bulletin 32 (1997) 881-887
Reduced alkaline earth tantalates
Note: isostructural with fluornatromicrolite
_database_code_amcsd 0014379
10.421 10.421 10.421 90 90 90 *Fd3m
.125 .125 .125
atom    x    y     z Biso
Ta      0    0     0 .958
Ca     .5    0     0 2.44
O    .125 .125 .3173  1.5
F    .625 .125  .125  2.2