Crystal Prospect

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).