• Willemite
  • Willemite
  • Willemite
Silicates

Willemite

ID: CC15391
A rather splendid small miniature of the zinc silicate mineral Willemite, lining a vug whose outer surface closely mimics its internal geometry, similar to a dolomitic cast.  The Willemite forms beautiful radial hemispherical clusters to 5 mm diameter, mainly snow-white, but with some grading to the more familiar delicate duck-egg blue.  The outer, finely botryoidal surface is also Willemite but of a rich cinnamon reddish-brown.  This is probably the red-brown variety of Willemite known as Troostite; a variety not that common in collections, but relatively common at Tsumeb.  This is an unusual specimen with great aesthetics and comes with a famous previous collector’s label. 
 

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Details

Dimensions
4.3 × 4.4 × 3.5 cm
Categories
Silicates
Locality
Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia, Africa

Minerals on Specimen

Minerals on specimen
Willemite

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