Chemical Formula:See ORTHOCLASE
Mineral for Display: No
Phosphorescence (in the common meaning of the term) seen by naked eye:
A variety of orthoclase found in Crump's Quarry, Mineral Hill, Elwyn, Middletown Township, Delaware Co., Pennsylvania, USA.
Main Activator(s) and spectrum:
Best Locality for luminescence(*):
- Crump's Quarry, Mineral Hill, Elwyn, Middletown Township, Delaware Co., Pennsylvania, USA ;
(*)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 ,
Mineralogical Reference on internet:
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