Alstonite & Witherite (fluorescent)

Minerva No. 1 Mine, Cave-in-Rock, Hardin Co., Illinois
Small Cabinet, 6.9 x 5.7 x 4.4 cm
Start Time: 01/05/2017 6:30:00 pm (CST)
End Time: 01/12/2017 6:30:00 pm (CST)
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Item Description

Alstonite, a rare Ba-Ca carbonate, is a rare and desirable accessory species from this famous mine. Snow-white, coral-like crusts of tiny pyramidal crystals richly cover both sides of the straw-yellow witherite (Ba-carbonate) matrix. The witherite fluoresces white. Classic, rich and older material from the Tom Campbell and George Feist Collections. Valued at $600-750

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