Chemical Formula: (NH4,K)H2PO4
Familly: Phosphates, Arseniates, Vanadates
Mineral for Display: No
|Long Waves (365nm): || White ||Weak||Short Waves (254 nm): || White ||Weak|
Phosphorescence (in the common meaning of the term) seen by naked eye:
Found with Bat Guano in a cave in Texas!
Main Activator(s) and spectrum:
Best Locality for luminescence(*):
Bat cave, Mason County, Texas, USA;
(*)Data are not exhaustive and are limited to the most important localities for fluorescence
Bibliographical Reference for luminescence:
Luminescence Reference on internet:
Mineralogical Reference on internet:
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