Barite, Rosiclare Level Minerva #1 Mine, attr: North Bishop Tract, Minerva Oil Company, Cave-in-Rock District, Southern Illinois, Mined c. late 1970s, Dr. Perry and Anne Bynum Collection, Small Cabinet 4.0 x 5.5 x 8.0 cm, $125. SOLD
Bladed cockscomb barite crystals up to 3 cm point to point and nicely crystallized to all sides. Displays well from any angle. Mined c. late 1970s. In excellent condition. Dr. H. Perry & Anne Bynum Collection. Note: I collected in this area back in 1978 and got into a pocket that produced exactly the same material. The hole measured about 6 feet wide, 3 feet high and perhaps 3.5 feet deep and was just loaded with a barite honeycomb: RCL.