Calciolangbeinite
Pekov I V, Zelenski M E, Zubkova N V, Yapaskurt V O, Chukanov N V,
Belakovskiy D I, Pushcharovsky D Y
Mineralogical Magazine 76 (2012) 673-682
Calciolangbeinite, K2Ca2(SO4)3, a new mineral from the Tolbachik volcano,
Kamchatka, Russia
Locality: Tolbachik volcano, Kamchatka, Russia
_database_code_amcsd 0018991
10.19 10.19 10.19 90 90 90 P2_13
atom        x      y      z  occ  Uiso
K(1)   .06709 .06709 .06709      .0394
K(2)   .30130 .30130 .30130      .0426
CaM(1) .57913 .57913 .57913 .625 .0260
MgM(1) .57913 .57913 .57913 .370 .0260
CaM(2) .84035 .84035 .84035 .700 .0287
MgM(2) .84035 .84035 .84035 .300 .0287
S      .62413 .47372 .26097      .0282
O(1)    .6611  .5121  .3908      .0803
O(2)    .7383  .4833  .1768      .0856
O(3)    .5742  .3405  .2595      .0733
O(4)    .5276  .5632  .2048      .0813