Willemite from Namibia, Oshikoto Region, Tsumeb - image 1
Willemite from Namibia, Oshikoto Region, Tsumeb - image 2

Willemite from Namibia, Oshikoto Region, Tsumeb

Alan Fertel
Alan Fertel
Leesport, Pa.
6 for sale·8 sold

Willemite

Tsumeb Mine, Tsumeb, Oshikoto Region,

Namibia

8 x 6 x 3.8 cm

Alan Fertel Personal Collection


A superb example of acicular Willemite from the Tsumeb Mine. Apple green and white crystals to approx. 4 mm, form radial clusters, filling the vug on dolomite matrix. The outer edges feature white Willemite crystals, making for a highly aesthetic specimen! Truly beautiful!

Product details

Species
WillemiteAbout Willemite →
SizeSmall Cabinet
Dimensions8.0 x 6.0 x 3.8 cm
Added on01/10/2026
Locality
Namibia, Oshikoto Region, TsumebRegional guide →

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.