A large cluster of intergrown, stepped-growth Chalcopyrite crystals with Siderite on a contrasting Dolomite Matrix. The Chalcopyrite has a golden metallic luster which accentuates the stepped-growth crystal lines. A very unique and aesthetic piece with great luster, color and contrast. In excellent condition.

Location: Panasqueira Mine, Fundão, Castelo Branco District, Portugal

Size: 9.5 x 7 x 5.3 cm