Barite on Fluorite, Rosiclare Level Minerva #1 Mine attr., Allied Chemical Company attr., Cave-in-rock District, Southern Illinois, Mined ca. early 1970's, Noll Collection #4722, Medium Cabinet 6.0 x 8.0 x 10.5 cm, $450. Online 3/11. SOLD.
Pastel blue, bladed barite on zoned blue and yellow fluorite. Back side of specimen shows considerable abrasion but front side display is in excellent condition. Note yellow zones exhibit typical etched features from dissolution of barite. Mined ca. early 1970s. Marquette University- Charles Noll Collection #4722. Mr. Noll acquired from Jim DuFoe ca. 1990s.