Shlykovite 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 0017556 6.4897 6.9969 26.714 90 94.597 90 P2_1/c atom x y z Uiso K -.2533 .8663 .37057 .0391 Ca .0189 .8392 .24336 .0210 Si1 .0011 .8447 .08283 .0190 Si2 .2318 .0640 .35444 .0205 Si3 .4083 .8447 .15613 .0215 Si4 .2350 .6265 .35640 .0196 O1 -.0897 .0496 .1005 .043 O2 .5482 .6525 .1562 .0317 O3 .1468 .1689 .4040 .0285 OH4 -.0340 .1558 -.0233 .0332 O5 .2810 .8491 .3730 .0230 O6 .1256 .6019 .3012 .0259 O7 .3315 .8941 .2101 .0277 O8 .0649 .0753 .3073 .0297 O9 .2270 .8010 .1136 .039 O10 .5390 .0191 .1335 .0273 Wat1 -.3252 .7724 .2731 .042 Wat2 -.265 .601 -.0265 .116 Wat3 .3528 .6823 -.0143 .039