Mica
Hazen R M, Finger L W, Velde D
American Mineralogist 66 (1981) 586-591
Crystal structure of a silica- and alkali-rich trioctahedral mica
_database_code_amcsd 0000836
5.329 9.230 10.219 90 100 90 C2/m
atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Si .5749 .1667 .2255 .828 0.0082 0.0022 0.0023 0 0.0007 0
Fe .5749 .1667 .2255 .172 0.0082 0.0022 0.0023 0 0.0007 -.00010
Mg1 0 .5 .5 .888 0.0063 0.0012 0.0026 0 0.0008 0
Li1 0 .5 .5 .075 0.0063 0.0012 0.0026 0 0.0008 0
Na1 0 .5 .5 .037 0.0063 0.0012 0.0026 0 0.0008 0
Mg2 0 .8337 .5 .888 0.0061 0.0019 0.0025 0 0.0007 0
Li2 0 .8337 .5 .075 0.0061 0.0019 0.0025 0 0.0007 0
Na2 0 .8337 .5 .037 0.0061 0.0019 0.0025 0 0.0007 0
K 0 0 0 0.0227 0.0068 0.0057 0 0.0016 0
O1 .8198 .2355 .1672 0.0236 0.0097 0.0042 -.00360 0.0012 -.00030
O2 .5264 0 .1669 0.0347 0.0066 0.0041 0 0.0011 0
O3 .6298 .1670 .3901 0.0096 0.0026 0.0027 -.00010 0.0006 0
F .1336 0 .3992 0.0113 0.0035 0.0027 0 0.0007 0
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Mica
Comodi P, Drabek M, Montagnoli M, Rieder M, Weiss Z, Zanazzi P F
Physics and Chemistry of Minerals 30 (2003) 198-205
Pressure-induced phase transition in synthetic trioctahedral Rb-mica
Sample: P = .0001 GPa, data collected in air
_database_code_amcsd 0008757
5.476 9.493 10.514 90 99.95 90 C2/m
atom x y z occ Uiso
Rb 0 .5 0 .99 .0317
FeM1 0 0 .5 .0121
FeM2 0 .33215 .5 .0126
FeT .0766 .1665 .22948 .2675 .0139
SiT .0766 .1665 .22948 .74 .0139
O1 .047 0 .1736 .0446
O2 .3139 .2443 .1740 .0445
O3 .1308 .1665 .3931 .0138
OH .1322 .5 .3988 .0158
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Mica
Comodi P, Drabek M, Montagnoli M, Rieder M, Weiss Z, Zanazzi P F
Physics and Chemistry of Minerals 30 (2003) 198-205
Pressure-induced phase transition in synthetic trioctahedral Rb-mica
Sample: P = .0001 GPa, data collected at room conditions in the DAC
_database_code_amcsd 0008758
5.478 9.489 10.521 90 99.95 90 C2/m
atom x y z occ Uiso
Rb 0 .5 0 .99 .021
FeM1 0 0 .5 .011
FeM2 0 .3321 .5 .0115
FeT .0761 .1665 .2291 .2675 .0152
SiT .0761 .1665 .2291 .74 .0152
O1 .040 0 .172 .040
O2 .316 .243 .173 .037
O3 .131 .167 .391 .013
OH .133 .5 .410 .014
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Mica
Comodi P, Drabek M, Montagnoli M, Rieder M, Weiss Z, Zanazzi P F
Physics and Chemistry of Minerals 30 (2003) 198-205
Pressure-induced phase transition in synthetic trioctahedral Rb-mica
Sample: P = 1.76 GPa
_database_code_amcsd 0008759
5.442 9.435 10.185 90 100.3 90 C2/m
atom x y z occ Uiso
Rb 0 .5 0 .99 .024
FeM1 0 0 .5 .0096
FeM2 0 .3328 .5 .0102
FeT .0742 .1664 .223 .2675 .0132
SiT .0742 .1664 .223 .74 .0132
O1 .033 0 .167 .040
O2 .317 .240 .165 .048
O3 .133 .1666 .401 .011
OH .135 .5 .395 .018
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Mica
Comodi P, Drabek M, Montagnoli M, Rieder M, Weiss Z, Zanazzi P F
Physics and Chemistry of Minerals 30 (2003) 198-205
Pressure-induced phase transition in synthetic trioctahedral Rb-mica
Sample: P = 2.81 GPa
_database_code_amcsd 0008760
5.412 9.392 10.120 90 100.2 90 C2/m
atom x y z occ Uiso
Rb 0 .5 0 .99 .085
FeM1 0 0 .5 .006
FeM2 0 .3328 .5 .006
FeT .075 .1661 .222 .2675 .018
SiT .075 .1661 .222 .74 .018
O1 .021 0 .174 .063
O2 .318 .236 .152 .066
O3 .130 .164 .389 .011
OH .122 .5 .360 .002
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Mica
Comodi P, Drabek M, Montagnoli M, Rieder M, Weiss Z, Zanazzi P F
Physics and Chemistry of Minerals 30 (2003) 198-205
Pressure-induced phase transition in synthetic trioctahedral Rb-mica
Sample: P = 4.75 GPa
_database_code_amcsd 0008761
5.420 9.383 9.846 90 100.8 90 C2/m
atom x y z occ Uiso
Rb 0 .5 0 .99 .153
FeM1 0 0 .5 .011
FeM2 0 .3327 .5 .011
FeT .076 .1663 .227 .2675 .022
SiT .076 .1663 .227 .74 .022
O1 .11 0 .18 .149
O2 .273 .263 .155 .064
O3 .144 .158 .417 .033
OH .127 .5 .366 .000
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Mica
Comodi P, Drabek M, Montagnoli M, Rieder M, Weiss Z, Zanazzi P F
Physics and Chemistry of Minerals 30 (2003) 198-205
Pressure-induced phase transition in synthetic trioctahedral Rb-mica
Sample: P = 7.2 GPa
_database_code_amcsd 0008762
5.410 9.325 9.645 90 100.7 90 C2/m
atom x y z occ Uiso
Rb 0 .5 0 .99 .146
FeM1 0 0 .5 .015
FeM2 0 .334 .5 .012
FeT .068 .167 .211 .2675 .027
SiT .068 .167 .211 .74 .027
O1 .09 0 .17 .096
O2 .276 .271 .16 .076
O3 .129 .164 .39 .014
OH .131 .5 .372 .000
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