Chemical Formula: Sr3NaCaY(CO3)6 3H2O
Crystal System: Triclinic
Mineral for Display: No
|Short Waves (254 nm): || Yellow |
Phosphorescence (in the common meaning of the term) seen by naked eye:
Named in 1978 by G.Y. Chao, P.R. Mainwaring and J. Baker for Joseph Donnay (Oreye, Liège province, Belgium, June 6 1902 - Mont Saint Hilaire, Quebec, August 8 1994) and his wife Gabrielle (Gai) Donnay-Hamburger. Was professor at the Johns Hopkins university.
Main Activator(s) and spectrum:
Best Locality for luminescence(*):
- Kirovskii apatite mine, Kukisvumchorr Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast, Northern Region, Russia;
(*)Data are not exhaustive and are limited to the most important localities for fluorescence
Bibliographical Reference for luminescence:
Mineralogical Reference on internet:
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