Stibarsen
Bayliss P
American Mineralogist 76 (1991) 257-265
Crystal chemistry and crystallography of some minerals in the tetradymite group
_database_code_amcsd 0001345
4.0255 4.0255 10.837 90 90 120 R-3m
atom x y  z
As   0 0  0
Sb   0 0 .5