Calcite : CaCO3
Mindat locality:
11.5cm x 6.5cm x 6cm
Photo added to mindat.org
“Reverse scepter calcite from Knight Mine, Third Level South, Illinois-Kentucky fluorspar district, Hardin Co., Illinois, USA. Collected in 1980 by Eric Livingston. I don’t see many Knight Mine specimens and I had not seen one like this before. ”
Edward Bayley - 26th March 2020
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