Sphalerite w/ Chalcopyrite casts after Fluorite (Ross Lillie Coll.)

Denton Mine, Harris Creek Sub-District, Hardin Co., Illinois
Cabinet, 12.4 x 10.8 x 3.8 cm
Start Time: 08/28/2015 6:30:00 pm (CDT)
End Time: 09/03/2015 6:30:27 pm (CDT)
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Item Description

An exceptionally unusual and showy large two-sided specimen from the Ross Lillie Collection. Fine-grained rubyjack sphalerite peppered with sparkly, golden chalcopyrite microcrystals has casted sharp, distinct fluorite cubes. The other side is totally covered with sharp, highly lustrous, black sphalerite crystals with nifty flashes of gemmy golden rubyjack color. Choice and rare-style material, with even the orebody and mine level known. Mined in 1988. Valued at $500.

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