Mineral: Fluorite
Locality: Spar Mountain Area, Cave-in-Rock, Cave-in-Rock Sub-District, Hardin County, Illinois, USA
Dimensions: 3.8 x 5.1 x 5.7 cm
Description: Dark purple fluorite cubes with polysynthetic growth. This piece is from older surface workings on Spar Mountain known by locals as Iron Mountain.
All pictures, text, design © Forum FMF 2006-2024