Quartz on Sphalerite, Sub-Rosiclare Level, W. L. Davis/Deardorff Mine, Ozark-Mahoning Company, Cave-in-Rock District, Southern Illinois, Mined c. early 1970's, ex. Roy Smith Collection, Small Cabinet 4.5 x 6.0 x 9.5 cm, $250. Online Dec. 12.
NSMW13511
Bright transparent equant quartz crystals scattered over high luster sphalerite. Note: Massive sphalerite matrix is a hallmark of this fantastically rich ore body. In excellent condition.