Quartz with Sphalerite and Barite, Sub-Rosiclare Level, W. L. Davis/Deardorff Mine, Ozark-Mahoning Company, CIR District, Southern Illinois, Mined c. 1940's, Ron Roberts Collection BPQ-21, Large Cabinet, 5.0 x 16.5 x 20.0 cm, $125. Online September 14.
Curved plate of calcite covered with hundreds of spiky light brown calcites. In excellent condition. Ex: Harold "Shorty" Millikan Collection, Rosiclare, IL.