Strontianite on Fluorite (Feist Coll.)

Minerva # 1 Mine, Cave-in-Rock, Hardin County, Illinois
Small Cabinet, 6.0 x 5.0 x 4.5 cm
Start Time: 05/07/2011 6:30:00 pm (CDT)
End Time: 05/12/2011 6:30:00 pm (CDT)
Auction Closed

Item Description

Strontianite is a rare carbonate mineral (strontium carbonate) and one of only a handful of known strontium minerals. Crystals are rarer than the massive forms. Typical specimens have spiky, minute crystals in radiating aggregates or tufts, exactly as you see here in this fine combination piece from the Minerva #1 MIne. The 3.0 cm ball is jauntily perched atop a matrix of purple and blue fluorite. The piece was mined in 1990. Ex George Feist Collection # 2903. MUCH BETTER IN PERSON. Valued at $400.

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