Acanthite

Imiter Mine, Jebel Saghro, Imiter District, Tinghir Province, Drâa-Tafilalet Region  Morocco

Specimen size: 5.2 × 2 × 1.5 cm = 2.05” × 0.79” × 0.59”
Main crystal size: 1.1 × 0.5 cm = 0.43” × 0.20”