Crystal Prospect

fluorescent green WILLEMITE with FRANKLINITE - Franklin Mine, Sussex Co., New Jersey, USA

Green Willemite (green fluorescent SW and LW UV), black Franklinite, and traces of red Zincite, in Calcite.

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 3.5 x 1.5 x 1 inch, 7.45 oz / 89 x 38 x 25 mm, 211g

Pric: 50.00 USD

Item # A0690115

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).