Witherite and Fluorite   Cave-In-Rock, Illinois. Ex. Harold L. Dibble. A domical piece composed of several large intergrown crystals. They have penetrated by a thin stringer of massive purple and blue fluorite. Minor edge contacts but body of specimen is in very nice condition. 8.5 x 7.2 x 3.2 cm. Flat back (or base). Nice example and I assume very fluorescent. $240