Roger Weller, geology instructor
Discovery of Fluorescent Minerals
Near the end of the 19th century, zinc miners accidentally
stumbled upon the phenomenon we know as fluorescence of minerals.
Reportedly, when the light from sparks emitted by poor electrical contact
connections occurred, it emitted as ultraviolet light, causing fluorescent
illumination in nearby minerals.
The discovery of the ability to view mineral fluorescence led
to the subsequent invention of the Iron Arc Lamp, a device which attempted
to duplicate the arc-spark of the miners faulty equipment. What it produced
was essentially the equivalent of the spark produced by Arc-Welding.
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