fluorescent FLUORAPATITE with BUSTAMITE - type locality - Franklin Mine, New Jersey, USA
Orange SW fluorescing Fluorapatite, with pale-pink and darkened Bustamite, yellow Andradite, dark brown Diopside "Schefferite", green SW fluorescing Willemite and minor amounts of red SW fluorescing Calcite.
from Franklin Mine, Franklin, Franklin Mining District, Sussex County, New Jersey, USA - Bustamite type locality
the mine was closed in 1954
Measures approximately 2.5 x 2 x 1 inch, 3.91 oz / 63 x 51 x 25 mm, 111g
Item # A0731014
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).