Fluorite
$500.00
Availability: 1 in stock
The Knight Mine was worked from 1973 to 1979 by the Ozark Mahoning Company utilizing shrinkage methods. It is one of those more obscure mines in that it did not produce many display quality specimens. This specimen was cubic until acidic solutions etched the surface. Unique!
Locality: Knight Mine, Rosiclare Subdistrict, Hardin County, Illinois
Composition: calcium fluoride
Dimensions:
5.2 × 4.6 × 3.2 cm
