Fluorescent Minerals & Gemstones

Switch off the lights, turn on a UV torch, and a shelf of "perfectly ordinary rocks" becomes something else entirely. Calcite, fluorite, scapolite, amber, ruby, and sphalerite are only some of the minerals that light up. Fluorescence happens when a mineral absorbs ultraviolet light and...

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Midwave is rarer. Some minerals glow a different colour here than under longwave or shortwave.

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Glow colour

16 products that glow under 310 nm