Conichalcite Qurashi M M, Barnes W H The Canadian Mineralogist 7 (1963) 561-577 The structures of the minerals of the descloizite and adelite groups: IV - descloizite and conichalcite (part 2) The structure of conichalcite _database_code_amcsd 0005080 7.40 5.84 9.21 90 90 90 P2_12_12_1 atom x y z Biso Ca .116 .269 .425 .2 Cu 0 0 .75 .95 As .368 -.233 .580 .74 O1 .187 -.256 .700 1.0 O2 .538 -.176 .694 1.0 O3 .378 .509 .489 1.0 O4 .368 -.016 .474 1.0 OH5 .151 .250 .680 1.0