fluorescent WOLLASTONITE, BARYTE and WILLEMITE - Franklin Mine, New Jersey, USA
"Third Find" of orange SW and dull orange LW fluorescing Wollastonite with dull white SW fluorescing Baryte, honey-brown Andradite, dark brown Diopside, and small amount of green SW fluorescent Willemite in red SW fluorescing Calcite.
momentary phosphorescence on Wollastonite, move lamp away quickly to observe
from Franklin Mine, Franklin, Franklin Mining District, Sussex County, New Jersey, USA
the mine is closed since 1954
Measures approximately 2.5 x 1.5 x 1 inch, 3.70 oz / 63 x 38 x 25 mm, 105g
Item # A0360514
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).