Brushy Creek Chalcopyrite

This Brushy Creek chalcopyrite specimen displays the striking iridescent tarnish that develops on oxidized copper-iron sulfide surfaces, creating vivid rainbow hues across its brassy foundation. The play of purples, blues, and yellows characteristic of chalcopyrite's oxidation layer makes this piece visually distinctive. Sourced from the renowned Brushy Creek locality, the specimen combines mineralogical significance with aesthetic appeal. A compelling addition for collectors valuing both scientific interest and natural color variation in their mineral assemblies.

Origin: Brushy Creek, Missouri

3.5 x 2.5 x 2.5 inche

.40 kg