4

Mg      0.204700502888310      0.127498729021316      0.268076650891640
Mg      1.617812996064701      1.661628595581015      0.172738094277484
Ca      1.361299120400175      0.252194148924438      1.623709523683262
Ca      0.079249667467877      1.284167939024300      1.182616382730826