fluorescent WILLEMITE, CALCITE with FRANKLINITE - Franklin Mine, New Jersey, USA

Green SW LW fluorescent Willemite, black Franklinite, and red SW / magenta LW fluorescing Calcite. Brief phosphorescence on Calcite – move lamp away quickly to observe.

from Franklin Mine, Franklin, Franklin Mining District, Sussex County, New Jersey, USA - Franklinite type location

the mine is closed since 1954

Measures approximately 3 x 2 x 1.5 inch, 13.22 oz / 76 x 51 x 38 mm, 375g


Item # A1351213

SOLD

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).

fluorescent Willemite and Calcite, black Franklinite, Franklin Mine, Franklin, Franklin Mining District, Sussex County, New Jersey, USA
fluorescent Willemite and Calcite, black Franklinite, Franklin Mine, Franklin, Franklin Mining District, Sussex County, New Jersey, USA
fluorescent Willemite and Calcite, black Franklinite, Franklin Mine, Franklin, Franklin Mining District, Sussex County, New Jersey, USA
fluorescent Willemite and Calcite, black Franklinite, Franklin Mine, Franklin, Franklin Mining District, Sussex County, New Jersey, USA
fluorescent Willemite and Calcite, black Franklinite, Franklin Mine, Franklin, Franklin Mining District, Sussex County, New Jersey, USA
fluorescent Willemite and Calcite, black Franklinite, Franklin Mine, Franklin, Franklin Mining District, Sussex County, New Jersey, USA
fluorescent Willemite and Calcite, black Franklinite, Franklin Mine, Franklin, Franklin Mining District, Sussex County, New Jersey, USA

Crystal Prospect

fluorescent Willemite and Calcite, black Franklinite, Franklin Mine, Franklin, Franklin Mining District, Sussex County, New Jersey, USA
fluorescent Willemite and Calcite, black Franklinite, Franklin Mine, Franklin, Franklin Mining District, Sussex County, New Jersey, USA
fluorescent Willemite and Calcite, black Franklinite, Franklin Mine, Franklin, Franklin Mining District, Sussex County, New Jersey, USA