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Strontianite on Fluorite, Rosiclare Level Minerva #1 Mine, Ozark-Mahoning Company, Cave-in-Rock District, Southern Illinois, Mined c. 1990, Noll Collection #4016, Miniature 4.0 x 6.0 x 7.0 cm, $250. Online 3/18. SOLD.


  • $ 25000

Very fine hemispherical balls, 2.5-3 cm across, of creamy strontianite locally tinged light brown from hydrocarbons with associated calcite. Matrix is blue and light purple fluorite. Classic combination from advance mining ca. 1990 when Ozark-Mahoning company began mining the Minerva #1 again after de-watering the mine. Condition: excellent. Provenance: Jim DuFoe Collection; sold to Charles Noll (Noll #CN4016); donated to Marquette University; brokered by Seaman Museum; sold to Ross Lillie Tucson 2016.