Sphalerite from Franklin Mine, Franklin, New Jersey, USA - image 1

Sphalerite from Franklin Mine, Franklin, New Jersey, USA

Photo by Laszlo Kupi

Cut by Jason Baskin (rough was collected by his father)

4.49ct stone

Product details

SpeciesSphalerite
Added on01/11/2026
LocalityUSA, New Jersey, Franklin Mine
Current owner
Jonathan Feigin
Jonathan Feigin
East Windsor Township, New Jersey, United States
Member since 2026

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Sphalerite
Mineral guide
Learn about Sphalerite
a spectrum of colors and crystal forms, resinous to adamantine luster, gemmy on matrix; prized by collectors for iconic localities and displays.
Sphalerite
Regional guide
Sphalerite from Franklin Mine
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Locality guide
Franklin Mine
Franklin Mine, USA - premier New Jersey locality famed for franklinite, willemite, and zincite; striking black octahedra on calcite with vivid UV fluorescence.