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Vauxite with Paravauxite and Childrenite 
Back to CONSIGNMENT and COLLECTION AUCTIONS - Ends January 5th, 2012
Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia (type locality for two species)
- Starting Time:12/29/2011 06:45:00 PM(CST)
- Ending Time:1/5/2012 06:45:00 PM(CST)
Time Left:Auction Is Closed
- Size:Small Cabinet
- Size Description:5.3 x 4.0 x 1.8 cm
Description:This particular piece is a remarkable, very well crystallized, ridiculously rare, specimen consisting of small, bladed, beautiful blue color, radiating aggregates of Vauxite coated by with tabular blades of greenish-white Paravauxite on minor clay (probably decomposed Allophane) matrix. There are also some very tiny spots of brownish-tan Childrenite on the specimen as well. 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 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 like this one.
