Denton Mine, Harris Creek Sub-District, Hardin County, Illinois, USA
From the Denton Mine, Harris Creek District, Hardin County, Illinois, USA. This fluorite is a pastel blue with a dark purple center, it is lustrous, and remarkably gemmy. The outside has a complex growth pattern, the crystal to the right is a penetrated twin and is extremely aesthetic in structure.
6.30 x 4.50 x 4.00 cm