Mineral: Fluorite
Locality: Denton Mine, Rosiclare formation, Goose Creek Mine group, Harris Creek Sub-District, Hardin County, Illinois, USA
Dimensions: 12 x 15.5 x 6 cm / main crystal: 5.7 cm.

Description: Mass: 1356 g MIM number: 1439 Probable year of extraction : 1984 Group of perfectly formed and very lustrous cubic crystals, of a dark purple color on the surface and amber on the inside. Photographer: FMI / James Elliott; Ex collection: Ross C. Lillie (USA)

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