Painite
Moore P B, Araki T
American Mineralogist 61 (1976) 88-94
Painite, CaZrB[Al9O18]: Its crystal structure and relation to jeremejevite,
B5[X3Al6(OH)3O15], and fluoborite, B3[Mg9(F,OH)9O9]
_database_code_amcsd 0000495
8.715 8.715 8.472 90 90 120 P6_3
atom     x     y     z Biso
Zr     2/3   1/3   1/4  .57
Ca       0     0 .4929 1.23
Al1  .3329 .3373 .7490  .61
Al2  .3425 .3625 .0791  .63
Al3  .3437 .3596 .4224  .54
B    .3333 .6667 .2495  .84
O1   .3992 .5518 .2495  .81
O2   .4052 .5237 .5919  .69
O3   .4060 .5235 .9070  .54
O4   .3281 .2186 .2503  .69
O5   .3019 .1935 .5807  .58
O6   .2983 .1912 .9165  .73