Fluorite Octahedron, Rosiclare Level, Denton Mine, Ozark-Mahoning Company, Harris Creek District, Southern Illinois, Ron Roberts Collection, Miniature approx. 2.5+ cm on edge, 3.7 cm point to point, $125. Online September 15.
Gem yellow octahedron with purple tips. Striking white tent-shaped inclusions. Classic from Denton Mine. Polishing grade. Weight 33g.