“4.6 x 2.3 x 1.8 cm. A rich blue-green patina of bornite has covered the copper crystals, to 2.2 cm in length, in this cluster. On the back side is a shallow vug replete with a druse of gemmy green epidote. Unusual patina. Ex. Ernie Schlichter Collection. ”

“4.6 x 2.3 x 1.8 cm. A rich blue-green patina of bornite has covered the copper crystals, to 2.2 cm in length, in this cluster. On the back side is a shallow vug replete with a druse of gemmy green epidote. Unusual patina. Ex. Ernie Schlichter Collection. ”