FRANKLINITE and fluorescent green WILLEMITE - Franklin Mine, Sussex Co., New Jersey, USA
Green Willemite - green SW and LW fluorescing, in association with black metallic Franklinite.
ex "Mineral Showcase" - Jennie and Leon "Lee" Areson
from Franklin Mine, Franklin, Franklin Mining District, Sussex County, New Jersey, USA – Franklinite type locality
the mine is closed since 1954
Measures approximately 3.5 x 2 x 0.75 inch, 8.95 oz / 89 x 51 x 19 mm, 254g
Price: 250.00 USD
Item # A0540214
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).