Senkevichite Uvarova Y A, Sokolova E, Hawthorne F C, Agakhanov A A, Pautov L A, Karpenko V Y The Canadian Mineralogist 44 (2006) 1341-1348 The crystal chemistry of senkevichite, CsKNaCa2TiO[Si7O18(OH)], from the Dara-I-Pioz alkaline massif, northern Tajikistan Locality: Dara-i-Pioz moraine, Alai ridge, Tien-Shan Mountains, Tajikistan _database_code_amcsd 0006127 10.4191 12.2408 7.0569 90.857 99.193 91.895 P-1 atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) CsA1 .63686 .89743 .77051 .90 .0182 .0157 .0169 .0219 -.0015 .0034 -.0031 KA1 .63686 .89743 .77051 .08 .0182 .0157 .0169 .0219 -.0015 .0034 -.0031 KA2 .55314 .64832 .2707 .0185 .0162 .0230 .0165 .0017 .0025 .0006 Na .0195 .8883 .3891 .0149 .0143 .0144 .0162 .0038 .0016 .0024 CaM2 .11883 .59094 .9095 .0085 .0075 .0091 .0087 .0001 .0014 .0008 CaM3 .12262 .57715 .40821 .62 .0091 .0081 .0101 .0090 .0004 .0012 .0002 MnM3 .12262 .57715 .40821 .30 .0091 .0081 .0101 .0090 .0004 .0012 .0002 FeM3 .12262 .57715 .40821 .06 .0091 .0081 .0101 .0090 .0004 .0012 .0002 TiM1 .00917 .89850 .89618 .93 .0066 .0061 .0070 .0068 -.0003 .0013 .0004 NbM1 .00917 .89850 .89618 .04 .0066 .0061 .0070 .0068 -.0003 .0013 .0004 Si1 .1318 .30739 .8740 .0062 .0063 .0076 .0046 .0006 .0009 -0 Si2 .1304 .30134 .4266 .0066 .0065 .0083 .0049 .0004 .0007 .0006 Si3 .31497 .41614 .1982 .0067 .0042 .0085 .0072 .0008 .0002 .0009 Si4 .6883 .18824 -.0015 .0080 .0079 .0093 .0068 .0005 .0013 -.0004 Si5 .6952 .19562 .5723 .0097 .0093 .0116 .0080 .0014 .0009 .0013 Si6 .6055 .35742 .2699 .0074 .0063 .0090 .0072 .0013 .0011 .0006 Si7 .7286 .01788 .2834 .0082 .0084 .0085 .0079 .0010 .0020 .0011 O1 .2751 .3433 .9991 .0107 .0077 .0142 .0093 -.0002 -.0008 -.0027 O2 .0833 .1924 .9472 .0129 .0125 .0134 .0138 -.0018 .0053 .0045 O3 .0346 .4055 .8730 .0101 .0089 .0109 .0101 .0020 -.0001 .0004 O4 .1680 .2824 .6601 .0108 .0134 .0151 .0044 .0044 .0023 .0023 O5 .0841 .1844 .3328 .0123 .0138 .0108 .0109 -.0015 -.0013 -.0039 O6 .0312 .3984 .3829 .0113 .0113 .0121 .0110 .0044 .0025 .0016 O7 .2725 .3402 .3698 .0115 .0095 .0139 .0120 .0012 .0041 .0040 O8 .2535 .5326 .1887 .0111 .0099 .0109 .0123 .0037 .0003 .0009 O9 .4738 .4277 .2401 .0100 .0036 .0117 .0145 .0010 .0010 .0002 O10 .5995 .2828 .0741 .0144 .0181 .0176 .0076 .0083 .0014 -.0032 O11 .6480 .0732 .0918 .0115 .0076 .0145 .0118 .0001 -.0008 .0058 O12 .8395 .2177 .0594 .0110 .0087 .0109 .0134 -.0003 .0015 -.0012 O13 .6359 .1776 .7702 .0124 .0119 .0180 .0079 .0005 .0034 0 O14 .8366 .2455 .5958 .0147 .0091 .0173 .0172 .0014 .0004 .0012 O15 .6793 .0749 .4679 .0141 .0174 .0142 .0124 .0004 .0078 -.0009 O16 .5896 .2739 .4448 .0114 .0098 .0143 .0099 .0019 .0007 .0057 O17 .7321 .4346 .3090 .0119 .0050 .0159 .0145 -.0025 .0015 .0007 O18 .6737 .8920 .2783 .0180 .0111 .0130 .0297 .0008 .0023 .0014 O19 .8822 .0310 .2909 .0104 .0077 .0133 .0106 .0014 .0021 .0003 O20 .9025 .0144 .8809 .0087 .0058 .0096 .0106 .0006 .0010 -.0002 H .738 .844 .298 .0216