This piece measures 6.5 cm wide by 4.8 cm tall and 4.2 cm front to back. A nice piece with pale purple, zoned fluorite crystals sprinkled with minute chalcopyrites inside and out. This piece is from the Denton Mine, Cave-in-Rock, Hardin County, Illinois, USA. Piece is in good condition with just a few minor chips on crystal edges. The crystal surface has a satin luster.