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Sphalerite, Sub-Rosiclare Level Deardorff Mine, Ozark-Mahoning Company,, Cave-in-Rock District, Southern Illinois, collected c. early 1970s, Dr. Perry & Anne Bynum Collection, Small Cabinet 4.0 x 7.0 x 8.0 cm, $250. Online 7/24. SOLD


  • $ 25000

High luster deep brown/black sphalerite mounded up into a nice three dimensional form. Front display surface has well separated crystals up to 1.5 cm. Some edge abrasion on a couple crystals but overall in excellent shape. Mined c. early 1970s when Minerva Oil leased the mine from Ozark-Mahoning to mine high-zinc pillars.