Strontianite and Calcite, Bethel Level Minerva #1 Mine, Minerva Oil Company, Cave-in-Rock District Southern Illinois, Mined c. late 1970s, Dr. Perry & Anne Bynum Collection, Medium Cabinet 3.0 x 10.0 x 12.0 cm, $250. Online 11/2. SOLD.
Combination of white calcite and strontianite from mining c. late 1970s. A very rich specimen of strontium-carbonate showing classic ball shapes and curved bow-tie like forms over a matrix of calcite. Well crystallized on both sides but the most important section is strontianite. Dr. Perry & Anne Bynum Collection. In excellent condition.