Bismuthinite

Farallón Mine, Farallón Viejo vein, Cerro Tazna, Atocha-Quechisla District, Nor Chichas Province, Potosí Department  Bolivia (08/2001)

Specimen size: 4.4 × 1.3 × 0.4 cm = 1.73” × 0.51” × 0.16”