AM_Cupropearceite Formula: Ag10.332 Cu5.668 (As1.602 Sb.398) S11 Name: Cupropearceite Unit cell: 7.2567 7.2567 11.8193 90.0 90.0 120.0 , V=539.01 Space group: P-3M1 (164)

Bindi L , Pekov I V , Zapiski Rossiiskogo Mineralogicheskogo Obshchetstva , 138 (2009) p.44-50, Crystal chemistry of extremely Cu-rich cupropearceite, from the Sarbay mine, Northern Kazakhstan, Location: Sarbay mine, Northern Kazakhstan