FRANKLINITE, ZINCITE, WILLEMITE - Sterling Hill, Ogdensburg, New Jersey, USA
Black Franklinite, red Zincite, white Calcite, some white Hydrozincite coating, with green SW LW fluorescent Willemite.
A few spots of pink-violet LW fluorescent and short lived phosphorescent Sphalerite, scattered yellow LW fluorescence coming from Zincite (rare), odd greenish-white fluorescent veins in Calcite.
from Sterling Mine, Sterling Hill, Ogdensburg, Franklin Mining District, Sussex County, New Jersey, USA – Zincite and Franklinite type locality
Measures approximately 3 x 2.5 x 1 inch, 1 lb 0.78 oz / 76 x 63 x 25mm, 476g
Price: 60.00 USD
Item # A0040320
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).