Hübnerite with Tennantite-Tetrahedrite Series

Huayllapon Mine (Huallapon Mine), Pasto Bueno, Pampas District, Pallasca Province, Ancash Department  Peru (±1984)

Specimen size: 5.6 × 2.8 × 2.1 cm = 2.20” × 1.10” × 0.83”