Stahl K
European Journal of Mineralogy 5 (1993) 845-849
A neutron powder diffraction study of partially dehydrated
fluorapophyllite, KCa4Si8O20F*6.9H2O
_database_code_amcsd 0006492
8.9639 8.9639 15.754 90 90 90 P4/mnc
atom x y z occ
F 0 0 0
K 0 0 1/2
Ca .1150 .2402 0
Si .2317 .0873 .1917
O1 .3624 .1376 1/4
O2 .0894 .1915 .2159
O3 .2663 .1021 .0923
O4 .2132 .4489 .0903 .69
O5 .1848 .4878 0 .34
H1 .4465 .1722 .0894 .69
H2 .2209 .4257 .1492 .69
H3 .1574 .5505 .0366 .34
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