Calcite on Amethyst (Kay Robertson Coll.)

Irai, Alto Uruguai region, Rio Grande do Sul, Brazil
Miniature, 4.4 x 2.9 x 2.7 cm
Start Time: 12/10/2017 7:00:00 pm (CST)
End Time: 12/14/2017 6:30:00 pm (CST)
Auction Closed

Item Description

Five trigonal, frosted, elongated nailhead calcite scalenohedrons in an aesthetic fan shape are attached to a gemmy, blush-purple amethyst crystal on this showy and excellent combination from the famed basalt deposits at Irai. Ex Kay Robertson Collection with no number. Her label was misplaced in the move. Kay is a prominent California collector, who specialized in European classics (see the article in the March-April, 2007 Mineralogical Record). Classic Irai calcite and amethyst with fine form.

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