Fluorescence is one of nature's most poetic optical secrets. - Katerina Sibilia
Many precious gemstones can respond to ultraviolet light, revealing colours, intensities and inner effects that are invisible in ordinary daylight.
In daylight, a gemstone is appreciated for its visible colour, cut and presence. Under ultraviolet light, another dimension may appear. Some gemstones glow intensely. Others remain quiet. Some reveal colour, zoning, growth patterns or signs of origin and treatment. This makes fluorescence a wider language of precious stones: a dialogue between chemistry, structure, light and time.
At Katerina Sibilia, fluorescent gemstones are selected for both realities: their beauty in daylight, and the secret luminosity they may reveal when the light changes.
Yes. Many precious gemstones can fluoresce. Fluorescence can appear in rubies, sapphires, emeralds, spinels, pearls, opals, garnets and other gemstones. The effect depends on the stone's chemistry, crystal structure, trace elements, origin and sometimes treatment history.
Gemstones fluoresce when features inside the stone absorb ultraviolet energy and release it as visible light.
Yes, in many gemstones fluorescence is a natural optical reaction.
No, fluorescence itself is not a treatment.
No.
It can. Fluorescence can add depth, emotion and surprise to a gemstone. It can make colour feel more intense, more saturated or more alive under certain light.
It can provide clues, although it is not conclusive on its own.
Because fluorescence allows a jewel to carry more than one life.