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WILLEMITE with MIMETITE
price: £613 / $950 / €725 - This specimen is priced in US dollars, all other prices are approximate
ex. E. J. Immelman Collection
Powder blue sparkling botryoidal crystals of the Zinc Silicate Willemite richly invest this specimen. The Tsumeb Mine is probably THE premier location for the species. The Willemite displays two generations of growth - the first as well formed gemmy greeny-blue prismatic crystals to 4mm, which have been largely overgrown by the second generation of drusy habit Willemite. The reverse of the specimen also has a number of first generation Willemite crystals partly overgrown by the later Willemite forming curious mushroom-like crystals. The Willemite is associated with sprays and doubly terminated crystals of yellow Mimetite. The matrix is colourless micro-crystals of Calcite with a reddish Fe-oxide. A fine specimen of Willemite from the second oxide level.
Size: 5.5 x 4.2 x 2.2 cm (Small Cabinet)
Owner: Kristalle and Crystal Classics
Other mineral specimens near Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia, Africa:
Unknown GS2 - Zn, Cu, Fe, As
£194 / $300 / €229
£275 / $415 / €319
MIMETITE and CERUSSITE
£200 / $302 / €232