Tangeite
Basso R, Palenzona A, Zefiro L
Neues Jahrbuch fur Mineralogie, Monatshefte 1989 (1989) 300-308
Crystal structure refinement of a Sr-bearing term related to copper
vanadates and arsenates of adelite and descloizite groups
Locality: Molinello mine, Val Graveglia, Northern Appenines, Eastern Liguria, Italy
_database_code_amcsd 0014838
5.836 7.430 9.347 90 90 90 P2_12_12_1
atom     x     y     z  occ Biso
Ca   .9803 .1314 .8231 .924  .89
Pb   .9803 .1314 .8231 .076  .89
Cu   .2503 .2460 .5005       .66
V    .4874 .8840 .6673 .590  .57
As   .4874 .8840 .6673 .410  .57
O1   .5037 .0640 .5502      1.07
O2   .4323 .7105 .5586      1.43
O3   .7383 .8623 .7583      1.17
O4   .2584 .8967 .7778      1.24
O5   .9967 .1087 .5682       .85
H5    .012  .006  .499