Willemite - image 1
Willemite - image 2
specimen video

Willemite

$4,000.00

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Crystal Classics
Crystal ClassicsFeatured
Tucson, Arizona, USA
7,543 for sale·132 sold
Willemite, zinc silicate, is one of the rarer iconic minerals from Tsumeb mine. It occurs in a several different forms, but the sky-blue botryoidal crusts are perhaps the most recognizable. This small cabinet specimen shows that form extremely well, both on the surface and in cross section too. The display surface shows translucent blue Willemite as a sparkling crystallized botryoidal layer made up of tiny bladed crystals with a 'wet' lustre with areas of red-brown Goethite inclusions on the reverse. The texture and appearance of the Willemite is wonderful - a very fine specimen indeed.

Product details

Species
WillemiteAbout Willemite →
SizeSmall Cabinet
Dimensions4.4 x 7.4 x 2.4 cm
Listed on10/24/2024
Locality
Namibia, Oshikoto Region, TsumebRegional guide →
SKUCC6756

Learn more

Willemite
Mineral guide
Learn about Willemite
fluorescent zinc silicate with UV glow; daylight colors range from colorless to pistachio, iconic from Franklin–Sterling Hill and Tsumeb.
Willemite
Regional guide
Willemite from Tsumeb, Namibia
Tsumeb willemite is the zinc silicate for collectors who usually think of willemite as a fluorescent-mineral classic from Franklin, New Jersey, and then discover that Tsumeb rewrote the aesthetic rules. Here, Zn2SiO4 appears not as massive ore but as glassy to sparkling crystal groups, botryoidal crusts, radiating sprays, delicate acicular “lawns,” and rare individual hexagonal prisms. The colors are equally un-Franklin-like: white, gray, yellow, green, blue-green, turquoise-blue, pale blue, reddish brown, and the much-loved champagne to honey tones. The best pieces have a crisp, jewel-like presence in daylight, often on white calcite or dolomite, with the color contrast that Tsumeb collectors prize.