Locality: Mahoning No. 1 Mine (Minerva No. 1 Mine), Ozark-Mahoning Group, Cave-in-Rock Sub-District, Illinois - Kentucky Fluorspar District, Hardin County, Illinois, USA (Locality at mindat.org)
Most witherite specimens in the market exhibit a long prismatic form ending in a pinacoid. This complete crystal is short prismatic and the pinacoid is much broader. It is lustrous, translucent, and has a pleasing, pastel tan coloration. VERY FINE miniature for this now defunct locality, of one of its rare minerals 4.2 x 4.1 x 2.3 cm
Attribution: Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
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