Sphalerite under longwave UV Light



Sphalerite vein in willemite, calcite, franklinite ore from Sterling Hill, NJ under longwave UV light. Sphalerite fluoresces orange, purple, blue and the willemite green, franklinite and this calcite is non-fluorescent. Photo by JVF.


Sphalerite vein in willemite, calcite, franklinite ore from Sterling Hill, NJ. under longwave UV Light