Davyne
Hassan I, Grundy H D
The Canadian Mineralogist 28 (1990) 341-349
Structure of davyne and implications for stacking faults
Sample BM1907,210
_database_code_amcsd 0005240
12.854 12.854 5.357 90 90 120 P6_3
atom x y z occ Uiso
O1 .212 .424 .724 .019
O2 .112 .554 .746 .025
O3 .009 .340 .010 .007
O4 .328 .346 .025 .039
AlT1 .338 .413 .751 .63 .010
SiT1 .338 .413 .751 .37 .010
SiT2 .077 .414 .75 .60 .011
AlT2 .077 .414 .75 .40 .011
Cl 2/3 1/3 .711 .091
Ca 2/3 1/3 .218 .009
Na .153 .308 .258 .55 .038
K .118 .228 .264 .28 .049
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Davyne
Hassan I, Grundy H D
The Canadian Mineralogist 28 (1990) 341-349
Structure of davyne and implications for stacking faults
Sample 1469
_database_code_amcsd 0005241
12.793 12.793 5.367 90 90 120 P6_3
atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
O1 .2128 .4266 .7284 .0093 .0220 .0338 .0111 .0009 .0043
O2 .1045 .5588 .7479 .0157 .0083 .0224 .0080 .0002 -.0013
O3 .0004 .3300 .0203 .0224 .0183 .0147 .0139 .0124 .0081
O4 .3205 .3383 .0028 .0143 .0221 .0143 .0065 -.0027 .0081
SiT1 .3289 .4101 .75 .0039 .0054 .0049 .0029 .0001 .0013
AlT2 .0704 .4099 .7508 .0038 .0051 .0059 .0025 -.0005 .0000
Cl 2/3 1/3 .7322 .1314 .1314 .0172 .0657 0 0
Ca 2/3 1/3 .2287 .97 .0114 .0114 .0221 .0057 0 0
Na .1518 .3109 .2716 .51 .0507 .1600 .0355 .0826 -.0019 -.0083
K .1106 .2264 .2564 .43 .0243 .0470 .0633 .0232 -.0007 .0029
O51 -.0511 .0462 .1384 .23 .0707
O52 .0591 .1148 .3619 .25 .0448
S 0 0 .2708 .25 .0156 .0156 .0579 .0078 0 0
O5 0 0 .4964 .28 .0723
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Davyne
Rozenberg K A, Rastsvetaeva R K, Chukanov N V
Crystallography Reports 54 (2009) 793-799
Crystal structures of oxalate-bearing cancrinite with an unusual
arrangement of CO3 groups and sulfate-rich davyne
Locality: Sar-e Sang mine, Badakhshan, Afghanistan
_database_code_amcsd 0012420
12.773 12.773 5.334 90 90 120 P6_3
atom x y z occ Uiso
Na1 .1579 .3108 .268 .50 .025
Na2 .1163 .2292 .267 .37 .049
Ca 2/3 1/3 .2042 .011
K .1163 .2292 .267 .13 .049
Si .0811 .4114 .7446 .0098
Al .3385 .4102 .7440 .0091
O1 .2128 .4253 .704 .019
O2 .1079 .5490 .735 .019
O3 .0234 .3449 .0073 .019
O4 .3275 .3358 .023 .016
Cl 1/3 2/3 .2079 .085
S 0 0 .265 .50 .011
O5 .069 .110 .14 .25 .057
O6 .031 .109 .38 .25 .045
O7 0 0 .51 .50 .069
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Davyne
Bonaccorsi E, Merlino S, Pasero M
Neues Jahrbuch fur Mineralogie, Monatshefte 1990 (1990) 97-112
Davyne: its structural relationships with cancrinite and vishnevite
Locality: Monte Somma, Vesuvius, Italy
_database_code_amcsd 0014841
12.705 12.705 5.368 90 90 120 P6_3/m
atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
K .2217 .1136 .75 .29 .061 .0837 .0402 .0755 .0424 0 0
NaK .2217 .1136 .75 .21 .061 .0837 .0402 .0755 .0424 0 0
Na .1510 .3097 .25 .5 .052 .0344 .1044 .0381 .0504 0 0
Ca 1/3 2/3 .75 .0099 .0093 .0093 .0111 .0047 0 0
Al .0691 .4086 .75 .0062 .0052 .0057 .0082 .0030 0 0
Si .3284 .4093 .75 .0045 .0046 .0057 .0034 .0028 0 0
S 0 0 .25 1/3 .053
O1 .2145 .4307 .75 .0142 .0086 .0161 .0207 .0082 0 0
O2 .1002 .5567 .75 .0140 .0143 .0087 .0196 .0063 0 0
O3 -.0087 .3230 .0084 .0148 .0193 .0139 .0132 .0098 .0083 .0040
Cl .3150 .6372 .25 1/3 .039 .0536 .0501 .0098 .0234 0 0
OA .0400 .0200 .0200 1/18 .090
OB .0701 .1132 .3746 1/6 .090
Cl' .0490 .0400 -.0750 1/18 .156
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