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Celestine from La Grasta Mine, Sicily, Italy

Clear white celestine crystals (about 1cm) with sulphur on matrix. The celestine fluoresces a nice blue/white under UV light (any wavelength) and it has a greenish phosphorescence/afterglow.

Fluorescence under shortwave UV light.

Fluorescence under longwave UV light (365nm LED)

Phosphorescence/Afterglow after exposure to shortwave UV light.

Photo in normal light.

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