Botryoidal Chalcedony (rare locale) ex Trimingham Coll.

Afton Canyon, San Bernardino Co., California
Cabinet, 11.1 x 7.3 x 4.5 cm
Start Time: 03/30/2014 6:45:00 pm (CDT)
End Time: 04/03/2014 6:30:00 pm (CDT)
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Item Description

Mineral specimens from this popular California hiking area are rare. Translucent, bubbly, botryoidal chacedony with grayish-white to lavender color and waxy luster covers the large attractive mounded piece. Pristine, except for the modest periphery wear on one side. Rare and excellent two-sided material from the Bob Trimingham Collection and purchased from Dale Harwood at the Boron Show in 1993.

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