Blue Topaz Crystal from Brazil

This beautiful unheated topaz specimen features a blue hue displayed in zones within a pale blue to colorless transparent crystal. It also displays a lustrous, etched termination, well-defined faces, and a tiny cluster of smaller crystals. It is unheafrom Minas Gerais, Brazil.

It measures approximately 28 x 29 x 24mm and weighs 31.5 grams. There is contact in a few spots, please see photos for details. Previously part of the Robert Patak Collection.