Fluorstrophite
Klevtsova R F
Journal of Structural Chemistry 5 (1964) 318-320
The crystal structure of strontium-apatite
_database_code_amcsd 0014055
9.63 9.63 7.22 90 90 120 P6_3
atom    x    y   z occ
Sr1   1/3  2/3 .50
Ca1   1/3  2/3   0
SrA2 .289 .255 .25 2/3
CaA2 .289 .255 .25 1/3
P    .371 .399 .74
O1   .492 .342 .73
O2   .472 .590 .78
O3   .259 .329 .91
O4   .260 .385 .57
F       0    0 .06