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
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