Vauxite with Paravauxite and Childrenite (new find)

Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia (type locality for two species)
Thumbnail, 2.7 x 2.1 x 0.7 cm
Start Time: 04/21/2011 6:45:00 pm (CDT)
End Time: 04/28/2011 6:45:00 pm (CDT)
Auction Closed

Item Description

This piece is a remarkable, well crystallized, ridiculously rare, specimen consisting of small, bladed, beautiful blue color, radiating aggregates of Vauxite coated by tabular blades of greenish Paravauxite. There are also some very tiny spots of brownish-tan Childrenite on the specimen as well. I have photographed the 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 these incredibly beautiful phosphates 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.

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