Fluorescence

Fluorescence is the emission of visible light when a gem is exposed to ultraviolet radiation. Some gems glow strongly under UV light.

1Gemstones

Cause

Electronic transitions in trace elements when excited by UV light

Best Cut

Any cut

Gemstones with Fluorescence

Ruby

Ruby

King of Gemstones

Explore Other Phenomena

Discover more unique optical effects in gemstones.

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