Epididymite
Pobedimskaya E A, Belov N V
Doklady Akademii Nauk SSSR 129 (1959) 900-903
The crystal structure of epididymite: a new type of infinite
silicooxygenous chains
_database_code_amcsd 0012437
12.66 7.34 13.48 90 90 90 Pnam
atom    x    y    z
Na1  .194 .167 .492
Be1  .025 .210 .017
Si1  .167 .500 .150
Si2  .334 .207 .142
Si3  .152 .860 .132
O1   .400 .225 .050
O2   .117 .483 .250
O3   .384 .130 .250
O4   .075 .017 .075
O5   .117 .900 .250
O6   .075 .410 .075
O7   .278 .400 .150
O8   .200 .684 .095
O9   .267 .010 .125
OH10 .060 .234 .580