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American Mineralogist Crystal Structure Database

1 matching records for this search.

Demartinite
  
Gramaccioli C M, Campostrini I
Download cm/vol45/CM45_1275.pdf 
The Canadian Mineralogist 45 (2007) 1275-1280
Demartinite, a new polymorph of K2SiF6 from La Fossa Crater, Vulcano,
Aeolian Islands, Italy
Locality: La Fossa Crater, Vulcano Island, Aeolian Archipelago, Sicily, Italy
_database_code_amcsd 0006157
5.6461 5.6461 9.2322 90 90 120 P6_3mc
atom      x      y      z U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
K1      2/3    1/3 .09275  .0188  .0188  .0210  .0094      0      0
K2        0      0 .81199  .0244  .0244  .0294  .0122      0      0
Si      1/3    2/3 .97559  .0134  .0134  .0142  .0067      0      0
F1   .61751 .80875 .07798  .0185  .0242  .0248  .0093 -.0079 -.0040
F2   .05287 .52644 .86889  .0184  .0260  .0240  .0092 -.0068 -.0034


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