Some of the largest and most displayable specimens of Wavellite have come from the Siglo XX mine in Bolivia as described by Mark Bandy. This piece is a very unique specimen, and one of the few bicolor Wavellites I have seen from this prolific locality. Featured at the top of the piece is a soft yellow color, radiating aggregate of Wavellite measuring 1.4 cm across which is perched atop gem quality, prismatic Quartz crystals with a slight smoky color. The key aspect to this piece is the fact that there is a coverage of light bluish-green Wavellite on virtually every side of the piece (including the underside). To find Wavellite on the same specimen from Siglo XX with two distinctly different colors like this is certainly rare, and this piece is more than just a Wavellite from Bolivia, it's a very interesting and unusual phosphate specimen from any locality.