Willemite - image 1
Photo by Michael Bainbridge

Willemite

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Willemite, 3.2 cm, from Franklin, Sussex County, New Jersey, one of the great rarities in the du Pont collection, was found before July 1924. Michael Bainbridge photo.

Product details

SpeciesWillemite
SizeMiniature
Dimensions3.2 cm
Added on02/13/2026
LocalityUSA, New Jersey, Franklin
Publications
  • Mineralogical Record Mineral Collections In American Northeast page 91
Current owner
The Mineralogical Museum, University of Delaware

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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 Franklin
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Locality guide
Franklin
Franklin, USA - world-renowned locality in Franklin Marble producing franklinite, willemite, and zincite; famed fluorescence, specimens, and collector value.