Fluorite Octahedron, Rosiclare Level, Denton Mine, Ozark-Mahoning Company, Harris Creek District, Southern Illinois, Ron Roberts Collection, Miniature approx. 3 cm on edge, 4 cm point to point, $150. Online September 15.
NSMW13230
Beautiful sky blue transparent octahedron with thin veils resembling cirrus clouds. Polishing grade. Weight 48g.