Vauxite with Paravauxite (great color and quality)

Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia (Type Locality for both species)
Thumbnail, 2.1 x 1.5 x 0.7 cm
Start Time: 04/28/2011 6:45:00 pm (CDT)
End Time: 05/05/2011 6:45:00 pm (CDT)
Auction Closed

Item Description

From the find of 2007, this is a great discovery for this locality. This particular piece is a remarkable, very well crystallized, ridiculously rare, specimen consisting of bladed, strong blue color, radiating aggregates of Vauxite hosting a few aggregates of layered greenish Paravauxite. I have photographed the Vauxite and Paravauxite crystals under the microscope to show that they are truly terminated crystals and not just a mass. It is very difficult to obtain any specimens of this incredibly beautiful phosphate and to find all two "Vauxite" species together on one piece is fantastic. This piece is from the type locality for Vauxite and Paravauxite which were originally discovered along the Contacto and San Jose veins in this mine and first described by Sam Gordon and Mark Bandy. It is so unbelievably rare to find good size, beautifully crystallized specimens of Vauxite and Paravauxite together from Bolivia, and this is a very good piece of the material. If you are in the market for one of these specimens, be sure to get THIS one, it's especially good for what it is.

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