Witherite, Bethel Level Minerva #1 Mine, Minerva Oil Company, Cave-in-Rock District, Southern Illinois, Mined c. 1960's, Tolonen Collection, Small Cabinet 4.0 x 6.0 x 10.0 cm, $950. Online 1/16. SOLD.
Group of pseudo hexagonal witherite crystals with associated Downey's Bluff Limestone matrix. Complete on all sides and in great condition. The terminations show hopper faces typical of the 'Buttercup' habit. Crystals to 4.8 cm. A very excellent late-stage barium-carbonate from mining ca. 1960s. Tolonen Collection.