Chantalite
Liebich B W, Sarp H, Parthe E
Zeitschrift fur Kristallographie 150 (1979) 53-63
The crystal structure of chantalite, CaAl2(OH)4SiO4
Locality: rodingitic dykes in a ophiolitic zone in the Taurus Mountains,
southwest Turkey
_database_code_amcsd 0010811
4.952 4.952 23.275 90 90 90 *I4_1/a
0 .25 .125
atom     x     y     z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Ca       0   .25  .625        .010   .010   .008      0      0      0
Al       0   .25 .4653        .010   .006   .008   .001      0      0
Si       0   .25  .125        .006   .006   .010      0      0      0
O1   .1310 .4967 .1631        .007   .010   .011  -.001   .000   .005
O2   .1891 .9219 .4703        .011   .007   .005   .001   .000   .001
H     .390  .970  .460 .015