Brochantite
Potrerillos Mine, Potrerillos, Chañaral Province, Atacama, Chile
8.2 x 5.9 x 4.9 cm. Mineral specimens from this older Chilean porphyry copper mine are rare and are seldom available. The robust, sculptural gossan matrix hosts plentiful colorful crystals of green brochantite in numerous vugs. The striking, iridescent, electric-green brochantite crystals are long, tapering, hair-like crystals in diverging sprays ...
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