Crystal Prospect

fluorescent FLUORITE - Minerva Mine, Cave-in-Rock, Illinois, USA

Yellow and blue (a rare color from Cave-in-Rock) Fluorite with phantoms, white Calcite with Chalcopyrite micros on one side.

The Fluorite fluoresces pale-yellow and pale-blue SW, and intense blue with bright yellow organics-induced LW fluorescence.

from Minerva No. 1 Mine (Ozark-Mahoning No. 1 Mine), Ozark-Mahoning group, Cave-in-Rock Sub-District, Illinois - Kentucky Fluorspar District, Hardin County, Illinois, USA

Measures approximately 3 x 2 x 1.5 inch, 7.19 oz / 76 x 51 x 38 mm, 204g

Item # A0081114

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).