Hydroxylchondrodite
Pekov I V, Gerasimova E I, Chukanov N V, Kabalov Y K, Zubkova N V,
Zadov A E, Yapaskurt V O, Gekimyants V M, Pushcharovskii D Y
Doklady Akademii Nauk 436 (2011) 526-532
Hydroxylchondrodite Mg5(SiO4)2(OH)2: a new mineral of the humite group
and its crystal structure
Locality: Perovskitovaya Kop', Chuvashskie Mountains, Southern Urals, Russia
_database_code_amcsd 0018887
7.880 4.726 10.290 90 109.04 90 P2_1/c
atom     x     y     z occ Biso
Mg1     .5    .5     0      1.4
Mg2  .3073  .016 .1753      1.0
Mg3  .0780  .498 .8915 .85   .8
Ti3  .0780  .498 .8915 .15   .8
Si   .7029 .0800 .1429      1.2
O1    .294  .777  .003      1.0
O2    .119  .712  .240      1.0
O3    .530  .226  .163      1.2
O4    .300  .262  .856       .8
OH5   .098  .256  .051 .66   .8
F5    .098  .256  .051 .12   .8
O5    .098  .256  .051 .22   .8