Native Bismuth (rare Mexico locale)

Rancho Calvillo, Guanajuato, Mexico
Miniature, 4.9 x 3.0 x 1.6 cm
Start Time: 02/01/2014 6:30:00 pm (CST)
End Time: 02/06/2014 6:42:03 pm (CST)
Auction Closed
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Item Description

Native bismuth specimens are extremely rare from the two Guanajuato localites referenced in MINDAT. This rounded, tapered, oxide-coated nugget looks alluvial (stream-worn). The sawed base reveals the bright silver color of the typical parallel-growth crystals. The former dealer label (Bill Metropolis) lists Macuala, Guanajuato, a very obscure locality in the State. RARE and excellent Mexico native element material.

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