Emplectite Kyono A, Kimata M American Mineralogist 90 (2005) 162-165 Crystal structures of chalcostibite (CuSbS2) and emplectite (CuBiS2): Structural relationship of stereochemical activity between chalcostibite and emplectite _database_code_amcsd 0003674 6.134 3.9111 14.548 90 90 90 Pnma atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Cu .7508 .75 .1721 .0322 .0274 .0354 .0338 0 .0006 0 Bi .2315 .25 .06294 .0271 .0250 .0270 .0293 0 -.0009 0 S1 .6353 .25 .0976 .0271 .0268 .0273 .0271 0 .0027 0 S2 .1261 .75 .1774 .0263 .0225 .0271 .0292 0 -.0004 0