Fluorite with a clearly defined purple phantom

Fluorite is the mineral form of calcium fluoride and, throughout history, has been used by many peoples and cultures to create artistic objects. Its impurities give it a wide variety of colors, a characteristic that, in medieval times, earned it the name “flower of stone.” This mineral is famous for the effect called fluorescence, which gives it its name. Some varieties, in fact, glow under UV light.

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