Calcite on Fluorite with Barite Inclusions, Rosiclare Level attr: Minerva #1 Mine, Minerva Oil Company, Southern Illinois, Mined c. 1960s, Dr. Perry & Anne Bynum Collection, Small Cabinet 4.0 x 4.0 x 4.0 cm, $125. Online 7/24. SOLD.
NSMW11879
Zoned yellow and blue fluorite with abundant white barite inclusions. The largest fluorite face shows concave etched impressions where barite was preferentially dissolved during formation. Complete floater with the matrix a spike of etched yellow fluorite encrusted with tiny calcites. Associated hydrocarbon. In excellent condition. Dr. H. Perry & Anne Bynum Collection.