Gold, Copper
Thumbnail, 2.7 x 1.8 x 1.1 cm
Andacollo Mine, Andacollo, Elqui Province, Coquimbo Region, Chile

A rare and seldom available specimen from the historic Andacollo Mine, Coquimbo Region of Chile. The crystals of an aesthetic, arborescent copper crystal cluster are coated with microscopic bits of bright, rich, mellow-yellow gold. Classic, old-time and seldom available material from this famous locale. Ex. Mullane Collection.