QUARTZ, Sub-Rosiclare Level, W.L. Davis-Deardorff Mine, Ozark-Mahoning Company, Cave-in-Rock Subdistrict, Mined ca. 1950s-1960s, ex. Ryan Smith Collection, Miniature 4 x 6 x 7 cm, $100. Online July 8.
NSMW13607
Glassy transparent drusy quartz crystals on dark gray silicified limestone. Associated calcite and traces of sphalerite on matrix. Classic specimen from this orebody. Minor edge rubs on a few crystals.