Chañarcillo
…been replaced by cerargyrite, iodobromite, bromyrite, embolite, and iodyrite. In the supergene sulfide enriched zone, ore minerals include pearceite, proustite, tetrahedrite, polybasite, and pyrargyrite. Groups of large crystals have been found at Chañarcillo, including proustite, stephanite, chlorargyrite and…