Chemical Formula: K2Na6Fe+2Fe6+3O2(SO4)12 18H2O
Mineral for Display: No
|Long Waves (365nm): || Orange |
Phosphorescence (in the common meaning of the term) seen by naked eye:
Main Activator(s) and spectrum:
Best Locality for luminescence(*):
- Borate, Calico District, Calico Mts, San Bernardino Co., California, USA (fluo dark orange color LW, nothing SW, cited by De Ment, but no Metavoltine listed there on Mindat!);
(*)Data are not exhaustive and are limited to the most important localities for fluorescence
Bibliographical Reference for luminescence:
- The Henkel Glossary of Fluorescent Minerals, Dr. Gerhard Henkel, Published by the FMS, 1989 ,
- Handbook of Fluorescent Gems and Minerals, a practical guide for the gem and mineral collector, Jack de Ment, 1949 ,
Mineralogical Reference on internet:
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