AM_Pearceite
Formula: (As1.192 Sb.808) Ag12.226 Cu3.772 S11
Name: Pearceite
Unit cell: 7.389 7.389 11.816 90.0 90.0 120.0 , V=558.69
Space group: P-3M1 (164)

Bindi L , Evain M , Menchetti S , Acta Crystallographica, Section B , 62 (2006) p.212-219, Temperature dependence of the silver distribution in the, crystal structure of natural pearcite, (Ag,Cu)16(As,Sb)2S11, Sample: T = 15 K, Locality: Clara mine, Black Forest, Germany