M & W Minerals
Walter R. Kellogg
517 294 6709
Hill-Leadford Mine, Cave-In-Rock, Hardin Co., Illinois
9.8 x 7.3 x 2.5 cm
Ex. Robert Gannon, 1960s
Flaws: A few of the corners have small cleaves.
This mineral is also found in the following galleries: Minerals From the United States | Fluorite | Minerals Priced Between 100 and 199 Dollars