Cryptophyllite
Zubkova N V, Filinchuk Y E, Pekov I V, Pushcharovsky D Y, Gobechiya E R
European Journal of Mineralogy 22 (2010) 547-555
Crystal structures of shlykovite and cryptophyllite: comparative crystal
chemistry of phyllosilicate minerals of the mountainite family
Locality: Mount Rasvumchorr, Khibiny alkaline intrusion, Kola Peninsula, Russia
_database_code_amcsd 0017557
6.4934 6.9919 32.087 90 94.680 90 P2_1/n
atom      x     y      z  Uiso
K1   -.0773 .3757 .14911 .0267
K2    .4642 .3655 .05485 .0458
Ca    .2275 .8469 .24478 .0101
Si1   .4166 .1350 .16108 .0097
Si2   .4156 .5747 .16335 .0091
Si3  -.2152 .8568 .17356 .0101
Si4   .1402 .8539 .11015 .0102
O1    .2820 .5798 .20226 .0134
O2    .4557 .3556 .14722 .0141
O3    .3399 .1097 .20594 .0171
O4    .0613 .8522 .06211 .0168
O5    .3051 .6837 .12212 .0192
O6   -.1077 .9049 .21850 .0141
O7    .6464 .6611 .17274 .0202
O8   -.0513 .8194 .13918 .0221
O9    .2518 .0558 .12330 .0206
O10  -.3636 .0301 .15437 .0140
Wat1  .5913 .7909 .26910 .0203
Wat2 -.3397  .007  .0629  .064
Wat3  .4071 .7198  .0228  .047
Wat4  .1115 .2050  .0224  .035
Wat5 -.1236 .4715  .0653  .036