MB91AG1: Tetrahedrite (silver rich variety) with Chalcopyrite and Quartz - Pulacayo Mine, Potosí Department Bolivia
Tetrahedrite (silver rich variety) with Chalcopyrite and Quartz

Pulacayo Mine, Huanchaca, Antonio Quijarro Province, Potosí Department  Bolivia (± 1925)

Specimen size: 6.7 × 4.7 × 2.3 cm = 2.6” × 1.9” × 0.9”
Main crystal size: 1.6 × 1.4 cm = 0.6” × 0.6”

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