Crystal Prospect

fluorescent WILLEMITE with FRANKLINITE - Franklin Mine, New Jersey, USA

Green SW LW fluorescent Willemite, red Zincite, and black Franklinite.

from Franklin Mine, Franklin, Franklin Mining District, Sussex County, New Jersey, USA - Franklinite and Zincite type locality

the mine is closed since 1954

Measures approximately 2.5 x 2 x 1 inch, 4.47 oz / 63 x 51 x 25 mm, 127g

Price: 60.00 USD

Item # A0141014

To show the fluorescent response the specimen was illuminated using 6 watt 254nm (Short Wave) / 366nm (Long Wave) UVGL-58 lamp (you need a proper UV light source to observe the fluorescence, more powerful lamp = brighter response).