Kilchoanite
Taylor H F W
Mineralogical Magazine 38 (1971) 26-31
The crystal structure of kilchoanite, Ca6(SiO4)(Si3O10), with
some comments on related phases
Locality: Kilchoan, Ardnamurchan, Scotland
_database_code_amcsd 0014452
11.42 5.09 21.95 90 90 90 I2cm
atom      x    y     z Biso
Ca1  -.0134    0     0  1.7
Ca2   .2860 .003   .25  1.3
Ca3   .0107 .005 .1679  1.2
Ca4   .2177 .501 .1040  1.0
Si1    .097 .426   .25  1.3
Si2    .408 .940 .0997  1.0
Si3    .240    0     0  1.4
O1     .164 .297 .1919  1.2
O2    -.033 .293   .25  2.1
O3     .098 .759   .25   .9
O4     .346 .793 .1584  1.2
O5     .035 .707 .0919  1.3
O6     .334 .802 .0402  2.1
O7     .404 .255 .0954   .6
O8     .160 .179 .0412  1.9