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SC348 - Celestine

Locality: La Grasta Mine (Grasta Mine), Caltanissetta, Caltanissetta Province, Sicily, Italy (MINDAT)
Size: 7 x 5 x 7 cm - Cabinet (6-10 cm)
Weight: 355 g
minID: 4U1-XW8

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.

Photo in normal light.
Fluorescence under shortwave UV light (254nm Hg light).
Fluorescence under longwave UV light (365nm LED).
Phosphorescence/Afterglow after exposure to shortwave UV light (254nm Hg light).
Last update: 09 January 2021