Spectroscopy for Gemologists

Osumilite group - PL spectra

Details

Poudretteite: Sugilite:

Light-pink poudretteite - 0.32 ct - Pein-Pyit, Mogok, Myanmar

No luminescence while excited by 254, 377, 405 nm sources.

Violet sugilite - 1.08 ct - South Africa

Not available