Fluorite with Quartz, Sub-Rosiclare Level, W. L. Davis/Deardorff Mine, Mahoning Mining Company attr., Cave-in-Rock District, Southern Illinois, Mined c. 1940's, Ron Roberts Collection GRE-8, Medium Cabinet, 6.0 x 11.0 x 12 cm, $250. Online September 14.
NSMW13192
Group of lustrous light lavender purple fluorite zoned with clear interiors. A few scattered quartz crystals and light hydrocarbon identify the locality. Small cleave off crystal on the edge otherwise in good condition especially for the era.