Chemical Formula: CaAl(OH)F4 H2O
Crystal System: Triclinic
Mineral for Display: No
|Long Waves (365nm): || Yellowish White ||Short Waves (254 nm): || Red |
Phosphorescence (in the common meaning of the term) seen by naked eye:
Main Activator(s) and spectrum:
Best Locality for luminescence(*):
- Nevada Molybdenum Mine near Tonopah, Nevada, USA (Pale yellow fluo SW and LW);
- Colorado Fluorspar Company Mine, Wagon Wheel Gap, Mineral Co., Colorado, USA (Yellow or white SW);
- St Peters Dome, Cheyenne District, El Paso Co., Colorado, USA (red LW);
(*)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 ,
- Fluorescence: Gems and Minerals Under Ultraviolet Light, Manuel Robbins, 1994, Geoscience Press, ISBN 0-945005-13-X ,
Mineralogical Reference on internet:
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