Calcite and Sphalerite, Rosiclare Level Cross-Cut Ore body, Minerva #1 Mine, Ozark-Mahoning Company, Cave-in-Rock District, Southern Illinois Miniature 2 x 3.5 x 6.0 cm $25. Online 10-27
NSMW12329
Curvilinear calcite cementing sphalerite breccia. Complete to all sides and in excellent condition. Advance mining in 1991. Kalaskie Collection #737.