Cassagnaite
Basso R, Carbone C, Palenzona A
European Journal of Mineralogy 20 (2008) 95-100
Cassagnaite, a new, V-bearing silicate mineral from the Cassagna mine,
northern Apennines, Italy
Locality: Cassagna mine, northern Apennines, Liguria, Italy
_database_code_amcsd 0007254
6.066 8.908 18.995 90 90 90 Cmcm
atom       x     y     z  occ Biso
Ca         0 .6834 .1571 .825 1.06
Mn         0 .6834 .1571 .175 1.06
Fe3+M1   1/4   1/4     0   .4  .45
Mn3+M1   1/4   1/4     0  .35  .45
AlM1     1/4   1/4     0  .25  .45
V3+M2  .2448 .4411   1/4 .175  .23
MgM2   .2448 .4411   1/4  .15  .23
AlM2   .2448 .4411   1/4 .125  .23
Si1        0 .1066   1/4   .6  .62
Si2        0 .0289 .0948       .40
O1         0 .9555 .1796       .33
O2     .2280 .1864   1/4      2.10
O3     .2166 .1182 .0808       .54
O4         0 .8666 .0540      1.93
OH5        0 .3681 .0326       .91
OH6        0 .4214 .1799   .5  1.0