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Topaz-t06-49d
 

 

 

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Source page: http://commons.wikimedia.org/wiki/File:Topaz-t06-49d.jpg

Summary

Description
English: Topaz
Locality: Virgem da Lapa, Jequitinhonha valley, Minas Gerais, Southeast Region, Brazil (Locality at mindat.org)
Size: cabinet, 10.8 x 7 x 5.8 cm
Blue Topaz
A hefty topaz measuring 610 grms in weight, and standing impressively tall at over 4 inches. This comes from the famous 1960s find at the Xanda Mine, still known as the best single strike of blue topaz on the planet. The pieces have a characteristic riveting ice-blue color, and interesting etch and dissolution patterns on teh sides. What you really want is a good termination, retaining some of the classic chisel-point terminations of the crystal. From that point, the sides of these typically disappear into cityscape compleexities of etch patterns, and this one is no different: the trick is to find a piece that has "interesting sides" and not plain ugly sides. This one, I think, edges more to the really interesting category and it is hard to describe, so trust me - better in person! It comes from the noted collection of Dr. Dick Webster, one of the founders of plastic surgery and a major mineral collector several decades ago. This collection just surfaced through his children, to the market, with a friend of mine.
Deutsch: Topas
Fundort: Virgem da Lapa, Jequitinhonha valley, Minas Gerais, Southeast Region, Brasilien (Fundort bei mindat.org)
Größe: 10.8 x 7 x 5.8 cm
Date before March 2010(2010-03)
Source Image: http://www.irocks.com/db_pics/pics/t06-49d.jpg, Description: http://www.irocks.com/render.html?species=Topaz&page=28
Author
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Attribution: Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
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