fluorescent HARDYSTONITE, CLINOHEDRITE, FLUORAPATITE - Franklin Mine, New Jersey, USA
Blue SW LW fluorescing Hardystonite, green SW LW fluorescing Willemite, red SW fluorescing Calcite, orange SW LW fluorescing Clinohedrite, brown SW fluorescing Fluorapatite (daylight blue color), with "platy" brown Diopside "Schefferite", yellow Andradite garnet, and minor black Franklinite.
The Clinohedrite is phosphorescent after SW irradiation; brief phosphorescent flash on Calcite
from Franklin Mine, Franklin, Franklin Mining District, Sussex County, New Jersey, USA - Hardystonite, Clinohedrite and Franklinite type locality
the mine is closed since 1954
Measures approximately 4.5 x 3 x 1.75 inch, 1 lb 10.17 oz / 114 x 76 x 44 mm, 742g
Price: 2000.00 USD
Item # AS0041214
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).