Chalcopyrite geode from the Robert Wiener Fine Mineral Collection.

A multitude of lustrous Chalcopyrite crystals with a multi-colored patina blanketing a hard rock matrix. Chalcopyrite is the most important copper ore and is classified as a sulfide.

The specimen has some areas of damage.

Species: Chalcopyrite

Locality: Tri-State District, Jasper Co., Missouri, USA

Country: USA

Dimensions: H: 16cm W: 11cm D: 11cm Lgst XL: cm Wt: gr