GuideWillemiteWillemite — fluorescent zinc silicate with UV glow; daylight colors range from colorless to pistachio, iconic from Franklin–Sterling Hill and Tsumeb.Read guide
GuideWillemite from Tsumeb, NamibiaWillemite — Tsumeb, Namibia: glassy to sparkling crystals in blue-green to champagne hues, botryoidal crusts and hexagonal prisms; classic oxide-zone formation.Read guide
GuideWillemite from Sterling Hill Mine, New Jersey, USASterling Hill willemite is one of the classic collector materials of American mineralogy: a zinc silicate, Zn2SiO4, that can look modest in daylight and then turn electric green under ultraviolet light. In the best pieces, tan to reddish-b…Read guide
GuideWillemite from Franklin Mining District, New Jersey, USAWillemite, Franklin Mining District — renowned for vivid shortwave UV fluorescence, daylight crystal variety, and the classic franklinite–calcite association.Read guide
GuideWillemite from Berg Aukas Mine, NamibiaWillemite from Berg Aukas, Namibia - pastel to ivory crystals, drusy sprays, stalactites, and UV fluorescence; prized for texture, color, and provenance.Read guide
Willemite$900Median56Sold (12 mo)$750Last saleRecent salesSee moreSold for $75019 days agoSold for $7,50023 days agoSold for $455about 2 months agoSold for $2502 months agoSold for $6,5002 months agoSold for $2,5002 months agoSold for $7502 months agoSold for $8002 months agoSold for $9002 months agoSold for $2,5002 months ago