- Witherite, Fluorite
- Miniature, 4.8 x 4.4 x 3.2 cm
- Minerva No. 1 Mine, Cave-in-Rock, Cave-in-Rock Sub-District, Illinois - Kentucky Fluorspar District, Hardin Co., Illinois, USA
A large, sharp, lustrous, pseudo-hexagonal witherite crystal attached to a thin vein of yellow fluorite from the famed Minerva #1 of Southern Illinois. This outstanding Cave-in-Rock District witherite has a rare hoppered termination. Super white fluorescence. Ex. George Feist and Ed David Collections.