- Minerva No. 1 Mine, Cave-in-Rock, Cave-in-Rock Sub-District, Illinois - Kentucky Fluorspar District, Hardin Co., Illinois, USA
- Small Cabinet, 5.7 x 5.0 x 3.1 cm
A superb specimen of connected intergrown balls of strontianite and covered with glassy, colorless needles. Classic material from the Minerva #1 Mine of Illinois. Ex. Consie Prince Collection.