Acanthite with Calcite

San José Mine, San José del Progreso, Municipìo San José del Progreso, Ocotlán District, Valles Centrales Region, Oaxaca  Mexico (01/2018)

Specimen size: 4.2 × 4.1 × 2.9 cm = 1.65” × 1.61” × 1.14”
Main crystal size: 1.4 × 1.1 cm = 0.55” × 0.43”