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Arenys de Mar Museum

Fluorescence room

Some mineral species emit visible light when exposed to ultraviolet radiation. The electrons in the atoms of these minerals get excited when they absorb this radiation and give off visible light to counteract the extra energy and return to their natural state. This phenomenon is known as fluorescence.

Did you know... some minerals continue giving off light for some time after having been exposed to ultraviolet light. This phenomenon is known as phosphorescence.

OBJECTS

<p><em>Uranocircite</em>, Mollfulleda Mineralogy Museum. Arenys de Mar Museum.</p>

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Uranocircite
Uranocircite
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