Fluorite (Penetration Law Twin), Rosiclare Level, North-End, Denton Mine, Ozark-Mahoning Company, Harris Creek District, Southern Illinois 2 x 2 x 2.3 cm $15.SOLD.
Zoned light purple and yellow Penetration Law Twin. Nice sharp zoning and good luster. Small chip on edge corner. Collected by Ross C. Lillie May 25, 1984 from a pocket approximately 1.5 x 1.5 x 3 feet wide.