Chalcopyrite The Peacock Ore
Nov 19, 2018 This tarnishing does not often occur in nature, although it can - such specimens are called peacock ore. However, many highly iridescent specimens of chalcopyrite have been treated with chemicals to produce these colors. Slightly iridescent natural peacock ore from Bansk tiavnica, Slovakia. FOV 1 x 0,7 cm. Photo V tzslav Sn el.