Fluorite w/ Chalcopyrite

Hardin County,

Illinois, USA

5x4x2.5cm

Exceptional fluorite specimen featuring cubic crystals with striking chalcopyrite inclusions, creating a stunning contrast of color and luster. This piece originates from the classic fluorite deposits of Hardin County, Illinois—a renowned locality for high-quality mineral specimens. Measuring 5x4x2.5cm, this specimen offers excellent display presence while remaining compact enough for focused collection viewing. The fluorite's translucent to transparent quality showcases the natural geometric perfection of its crystal structure, while the chalcopyrite's brassy metallic sheen adds visual depth and collector appeal. A premium addition for fluorite enthusiasts and mineral collectors seeking authentic US specimens with geological significance and aesthetic impact.