Calcite on Fluorite, Rosiclare Level, Crystal Mine, Cave-in-Rock District, Southern Illinois, Mined c. 1970's, Holzner Collection #628, Small Cabinet 5.0 x 6.5 x 7.2 cm, $200. Online 8/10.
Glassy luster yellow fluorite with purple highlights encrusted with calcite. No point of attachment indicating specimen was collected from a collapsed, brecciated pocket. In excellent condition. Classic Spar Mountain location. Mined circa early 1970s. Holzner Collection #628.