Fluorite, Sub-Rosiclare Level Annabel Lee Mine, Ozark-Mahoning Company, Harris Creek District, Southern Illinois, Mined ca. 1988, Holzner Collection, Miniature 4.5 x 5.0 x 7.5 cm, $350. Online 5/1
Richly zoned blue and purple, sharply cubic, medium luster Penetration Law twin fluorite. Trivial edge rubs. Mined circa late 1980s (probably 1988-1989). Very difficult to obtain on today's market (rare from this horizon even when the mine was active). Ken & Marilee Holzner Collection. Entered in Ross C. Lillie database as RCL2660.