Willemite - image 1
Willemite - image 2
specimen video

Willemite

$750.00

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Crystal Classics
Crystal ClassicsFeatured
Tucson, Arizona, USA
7,579 for sale·132 sold
An elongated plate of cream to pale creamy-tan Willemite made-up entirely of crystals of between 2 and 5 mm. The crystals are glassy with a bright pearly lustre and on the underside are scattered sub-mm golden-tan crystals of possible Arsendescloizite. Under LWUV the Willemite fluoresces a medium yet strong mustard-yellow and in SWUV, snowy-white. An excellent Willemite and for Tsumeb, an unusual colour.

Product details

Species
WillemiteAbout Willemite →
SizeSmall Cabinet
Dimensions4.1 x 7.3 x 2.3 cm
Listed on10/24/2024
Locality
Namibia, Oshikoto Region, TsumebRegional guide →
SKUCC15445

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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.