Roedderite
Armbruster T
European Journal of Mineralogy 1 (1989) 715-718
Crystal chemistry of double-ring silicates:
structure of roedderite at 100 and 300 K
T= 100 K
_database_code_amcsd 0006360
10.139 10.139 14.269 90 90 120 P-62c
atom x y z occ Biso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
KC 0 0 0 .94 .81 .0100 .0100 .0107 .005 0 0
NaB1' 1/3 2/3 .2723 .46 1.03 .007 .007 .024 .0037 0 0
NaB2' 1/3 2/3 .7723 .05 1.03
MgA 1/3 2/3 .5033 .95 .494 .0056 .0056 .0076 .0028 0 0
FeA 1/3 2/3 .5033 .024 .494 .0056 .0056 .0076 .0028 0 0
MnA 1/3 2/3 .5033 .02 .494 .0056 .0056 .0076 .0028 0 0
TiA 1/3 2/3 .5033 .002 .494 .0056 .0056 .0076 .0028 0 0
MgT2 .4962 0 0 .95 .32 .0057 .0021 .0031 .0011 0 .0001
FeT2 .4962 0 0 .024 .32 .0057 .0021 .0031 .0011 0 .0001
MnT2 .4962 0 0 .02 .32 .0057 .0021 .0031 .0011 0 .0001
TiT2 .4962 0 0 .002 .32 .0057 .0021 .0031 .0011 0 .0001
SiT1 .23912 .3546 .64008 .247 .0034 .0038 .0024 .0019 .0004 .0005
SiT11 -.23555 -.35150 .63974 .25
O1 .1438 .3999 .25 .71 .014 .0094 .0033 .0057 0 0
O11 -.1209 -.3916 .25 .71
O2 .2146 .2704 .3867 .63 .0081 .0097 .0088 .0066 0 .0001
O22 -.2240 -.2828 .3807 .63
O3 .1592 .4992 .4203 .46 .0058 .0056 .0059 .0029 -.0007 -.0019
O33 -.1535 -.4966 .4231 .46
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Roedderite
Armbruster T
European Journal of Mineralogy 1 (1989) 715-718
Crystal chemistry of double-ring silicates:
structure of roedderite at 100 and 300 K
T= 300 K
_database_code_amcsd 0006361
10.141 10.141 14.286 90 90 120 P-62c
atom x y z occ Biso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
KC 0 0 0 .94 1.59 .0187 .0187 .0230 .0094 0 0
NaB1' 1/3 2/3 .2713 .46 1.9 .014 .014 .044 .007 0 0
NaB2' 1/3 2/3 .7713 .05 1.9
MgA 1/3 2/3 .5035 .95 .70 .0079 .0079 .0106 .0040 0 0
FeA 1/3 2/3 .5035 .024 .70 .0079 .0079 .0106 .0040 0 0
MnA 1/3 2/3 .5035 .02 .70 .0079 .0079 .0106 .0040 0 0
TiA 1/3 2/3 .5035 .002 .70 .0079 .0079 .0106 .0040 0 0
MgT2 .4969 0 0 .95 .68 .0108 .0049 .0081 .0024 .0002 .0003
FeT2 .4969 0 0 .024 .68 .0108 .0049 .0081 .0024 .0002 .0003
MnT2 .4969 0 0 .02 .68 .0108 .0049 .0081 .0024 .0002 .0003
TiT2 .4969 0 0 .002 .68 .0108 .0049 .0081 .0024 .0002 .0003
SiT1 .2390 .3535 .64031 .436 .0054 .0060 .0056 .0032 .0008 .0009
SiT11 -.2356 -.3513 .63996 .44
O1 .1427 .3994 .25 1.22 .022 .0178 .0058 .0093 0 0
O11 -.1217 -.3916 .25 1.22
O2 .2147 .2713 .3862 1.13 .0138 .0175 .0174 .0122 .0005 .0004
O22 -.2235 -.2819 .3807 1.13
O3 .1588 .4990 .4204 .76 .0085 .0082 .0115 .0036 -.0009 -.0035
O33 -.1534 -.4959 .4229 .76
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Roedderite
Alietti E, Brigatti M F, Capedri S, Poppi L
Mineralogical Magazine 58 (1994) 655-662
The roedderite-chayesite series from Spanish lamproites:
crystal chemical characterization
Locality: Cancarix, Albacete province, Spain
_database_code_amcsd 0014510
10.124 10.124 14.305 90 90 120 P6/mcc
atom x y z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
KC 0 0 .25 .89 2.10 .006439 .006439 .002859 .003220 0 0
NaC 0 0 .25 .11 2.10 .006439 .006439 .002859 .003220 0 0
NaB 1/3 2/3 -.0202 .11 1.7
MgA 1/3 2/3 .25 .87 1.03 .003090 .003090 .001442 .001561 0 0
Fe3+A 1/3 2/3 .25 .13 1.03 .003090 .003090 .001442 .001561 0 0
MgT2 .5 .5 .25 .87 1.10 .002537 .005594 .001368 .002797 0 0
Fe3+T2 .5 .5 .25 .13 1.10 .002537 .005594 .001368 .002797 0 0
SiT1 .23814 .35274 .39066 0.99 .003057 .003317 .001332 .001724 .000080 .000120
O1 .1299 .3945 0 1.91 .007643 .006277 .001674 .003317 0 0
O2 .2193 .2776 .13327 1.73 .005431 .006374 .002382 .003935 -.000080 .000040
O3 .1550 .4966 .17245 1.34 .004000 .004358 .001771 .002081 -.000159 -.000379
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Roedderite
Alietti E, Brigatti M F, Capedri S, Poppi L
Mineralogical Magazine 58 (1994) 655-662
The roedderite-chayesite series from Spanish lamproites:
crystal chemical characterization
Locality: Cancarix, Albacete province, Spain
_database_code_amcsd 0014513
10.135 10.135 14.320 90 90 120 P6/mcc
atom x y z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
KC 0 0 .25 .80 1.64 .005030 .005030 .002194 .002531 0 0
NaC 0 0 .25 .20 1.64 .005030 .005030 .002194 .002531 0 0
NaB 1/3 2/3 -.0188 .10 1.0
MgA 1/3 2/3 .25 .86 .84 .002596 .002596 .001134 .001298 0 0
Fe3+A 1/3 2/3 .25 .14 .84 .002596 .002596 .001134 .001298 0 0
MgT2 .5 .5 .25 .86 .83 .001915 .005062 .000805 .002531 0 0
Fe3+T2 .5 .5 .25 .14 .83 .001915 .005062 .000805 .002531 0 0
SiT1 .23807 .35288 .39065 .80 .002726 .002986 .000878 .001590 .000099 .000139
O1 .1299 .3943 0 1.66 .007302 .005874 .001097 .003245 0 0
O2 .2197 .2777 .13325 1.50 .005062 .005744 .001902 .003602 .000080 .000099
O3 .1552 .4967 .17230 1.10 .003375 .003667 .001341 .001720 -.000159 -.000358
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Roedderite
Alietti E, Brigatti M F, Capedri S, Poppi L
Mineralogical Magazine 58 (1994) 655-662
The roedderite-chayesite series from Spanish lamproites:
crystal chemical characterization
Locality: Cancarix, Albacete province, Spain
_database_code_amcsd 0014514
10.126 10.126 14.326 90 90 120 P6/mcc
atom x y z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
KC 0 0 .25 .80 1.61 .005006 .005006 .002144 .002503 0 0
NaC 0 0 .25 .20 1.61 .005006 .005006 .002144 .002503 0 0
NaB 1/3 2/3 -.0190 .11 1.5
MgA 1/3 2/3 .25 .85 0.76 .002308 .002308 .001035 .001170 0 0
Fe3+A 1/3 2/3 .25 .15 0.76 .002308 .002308 .001035 .001170 0 0
MgT2 .5 .5 .25 .85 0.85 .001918 .005104 .000877 .002536 0 0
Fe3+T2 .5 .5 .25 .15 0.85 .001918 .005104 .000877 .002536 0 0
SiT1 .23814 .35284 .39067 0.77 .002568 .002828 .000877 .001495 .000099 .000139
O1 .1299 .3943 0 1.61 .006957 .005624 .001157 .003121 0 0
O2 .2197 .2778 .13331 1.46 .004681 .005657 .001973 .003576 -.000020 .000040
O3 .1551 .4967 .17248 1.07 .003381 .003478 .001328 .001723 -.000199 -.000458
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