Amethyst with Calcite (rare from Bolivia)

Bombori District, Potosi Department, Bolivia
Small Cabinet, 6.6 x 3.6 x 3.2 cm
Start Time: 04/28/2011 6:45:00 pm (CDT)
End Time: 05/05/2011 6:45:21 pm (CDT)
Auction Closed

Item Description

This specimen is a great small cabinet size piece consisting of good quality, sharp, gemmy, lustrous, prismatic, light purple color, "reverse" scepter, skeletal habit and simple prisms of Amethyst measuring up to 1.7 cm with white-grey modified rhombohedra of Calcite on matrix. Calcite is a very common mineral worldwide, yet it is almost non-existent from the countless ore bodies in Bolivia, so the specimens from this locality are some of the best Calcites from Bolivia. It is not terribly common to find multiple habits of Amethyst on the same specimens from this locality. It is very hard to show in the photos, but the crystal is partially hollow towards the center, and it exhibits the "Fenster" or "window" habit that was rarely seen from this discovery. This piece is remarkable for Bolivia as it features a type of crystallization that is rarely seen from Bolivia. This is one of the better pieces of this specific habit from the find.

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