Quartz and Sphalerite with Chalcopyrite, Sub-Rosiclare Level, W.L. Davis/Deardorff Mine, Ozark-Mahoning Company, CIR District, Southern Illinois, Mined c. 1950's ex. Louis Lafayette Collection #761, Small Cabinet 3.0 x 6.5 x 10.0 cm, $125. Online 10/9.
NSMW13247
Bright and sparkly mounded group on quartz with associated sphalerite and chalcopyrite. A classic W.L. Davis/Deardorff specimen. No doubt as to the locality. Very attractive and In great condition.