Kolskyite Camara F, Sokolova E, Abdu Y, Hawthorne F C, Khomyakov A P The Canadian Mineralogist 51 (2013) 921-936 Kolskyite, (Ca[_])Na2Ti4(Si2O7)2O4(H2O)7, a group-IV Ti-disilicate mineral from the Khibiny alkaline massif, Kola Peninsula, Russia: Description and crystal structure Locality: Khibiny alkaline massif, Kola Peninsula, Russia _database_code_amcsd 0020036 5.387 7.091 15.473 96.580 93.948 89.818 P-1 atom x y z occ Uiso TiMO(1) .2267 .38225 .49412 .78 .0188 MnMO(1) .2267 .38225 .49412 .115 .0188 NbMO(1) .2267 .38225 .49412 .05 .0188 Fe2+MO(1) .2267 .38225 .49412 .05 .0188 ZrMO(1) .2267 .38225 .49412 .005 .0188 NaMO(2) .2412 .8823 .4941 .965 .0240 MnMO(2) .2412 .8823 .4941 .02 .0240 CaMO(2) .2412 .8823 .4941 .015 .0240 TiMH .0568 .09422 .29925 .685 .0143 NbMH .0568 .09422 .29925 .18 .0143 MgMH .0568 .09422 .29925 .085 .0143 MnMH .0568 .09422 .29925 .05 .0143 Si(1) .5703 .8111 .33161 .0113 Si(2) .5537 .3788 .32064 .0100 CaAP .0384 .5778 .2204 .335 .0347 SraAP .0384 .5778 .2204 .17 .0347 BaAP .0384 .5778 .2204 .095 .0347 KAP .0384 .5778 .2204 .075 .0347 WatBP .5321 .0508 .1609 .55 .0202 SrBP .5321 .0508 .1609 .055 .0202 O(1) .6028 .8164 .4354 .0249 O(2) .5558 .5904 .2885 .0209 O(3) .3130 .9019 .2994 .0301 O(4) .2996 .2830 .2760 .0208 O(5) .8100 .8977 .2937 .0292 O(6) .5547 .3991 .4261 .0152 O(7) .7949 .2764 .2810 .0225 OXOM .0840 .1614 .4179 .0240 OXOA .0542 .5825 .4329 .835 .0147 FXOA .0542 .5825 .4329 .165 .0147 WatXPM .0323 .0338 .1601 .80 .037 OHXPM .0323 .0338 .1601 .20 .037 WatXPA(1) .832 .336 .091 .16 .042 WatXPA(2) .250 .692 .088 .16 .048 WatXPA(3) .754 .711 .093 .16 .049 WatXPA(4) .236 .340 .086 .16 .050 WatXPB .568 .717 .094 .16 .063 Wat(1) .153 .993 .001 .30 .047 Wat(2) .714 .500 -.0023 .50 .039 Wat(3) .528 .042 .1190 .35 .022