Willemite - image 1

Willemite

$1,500.00

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DanZ Rockshop
DanZ RockshopFeatured
Arvada, Colorado, USA
1,814 for sale·31 sold
Wet looking luster on this vibrant blue willemite from the famous Tsumeb Mine. Nice botryoidal structure and good color contrast compared the tan matrix. In great condition, I note only some minor damage towards the edge of crystallization.

Product details

Species
WillemiteAbout Willemite →
SizeSmall Cabinet
Dimensions6.0 x 5.0 x 3.0 cm
Listed on03/14/2026
Locality
Namibia, Oshikoto Region, TsumebRegional guide →
SKU28579

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.