Study of the ionoluminescence behavior of the gemstones: Beryl (aquamarine variety), opal, and topaz

Nikbakht, T., Kakuee, O., & Lamehi-Rachti, M. (2016). Study of the ionoluminescence behavior of the gemstones: Beryl (aquamarine variety), opal, and topaz. Journal of Luminescence, 171, 154-158. Link to Article