Roger Weller, geology instructor
What Are Fluorescent Minerals?
“fluorescence”, as used in fluorescent minerals, is named after the
mineral fluorite (CaF2), composed of calcium fluoride.
A luminescence found as an optical phenomenon within specific minerals. Fluorescence is created by the molecular absorption of a photon, in the ultraviolet frequency range, triggering the emission of another photon with a longer wavelength, emitted in the visible range. The energy shift between the absorbed and emitted photons produces the fluorescence we see in minerals.
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