Phosphorescent Willemite with Calcite. Franklin Mine, Franklin, NJ. Strong green phosphorescent afterglow when UV light source is removed. A fantastic old mine combination specimen from a legendary, long closed, location. Photographed under 254 nm SW UV. 2.75" x 1.2" x 1", 2.4 oz.

Phosphorescent Willemite with Calcite. Franklin Mine, Franklin, NJ.

SKU: SMFM-PWC16-06
$75.00Price