Tetrahedrite with Quartz

San Cristobal Mine, San Cristobal District, Yauli Province, Junín Department  Peru (±1983)

Specimen size: 14.2 × 10.2 × 4.9 cm = 5.59” × 4.02” × 1.93”
Main crystal size: 4 × 1.8 cm = 1.57” × 0.71”