Calcite, Knight Vein, Knight Mine, Ozark-Mahoning Company, Rosiclare District, Southern Illinois Miniature 3 x 4.5 x 5.5 cm $125. Online 7/10
Group of light brown calcite showing classic episodic crystallization from the Knight Mine. Note typical color and luster as characteristic of a vein-type ore body. Mined circa mid-1970s. In excellent condition. Provenance: Ron Roberts Collection C-75. Entered into Ross C. Lillie database as RCL2890.