Database of luminescent Minerals


PREHNITE


Chemical Formula: Ca2Al2Si3O10(OH)2

Familly: Silicates

Status: IMA-GP

Crystal System: Orthorhombic

Mineral for Display: No


Luminescence:


UV Type Main color Intensity Observation Frequency
Long Waves (365nm):      Yellowish White
Short Waves (254 nm):      Bluish White
Other colors LW:     
Orange ,
Other colors SW:     
Orange ,

Daylight Picture


Prehnite, Jeffrey Mine, Asbestos, Qubec, Canada;
Col. G. Barmarin; Photo: G. Barmarin

Long Waves Picture (365nm)


Prehnite UVLW, Jeffrey Mine, Asbestos, Qubec, Canada;
Col. G. Barmarin; Photo: G. Barmarin

Short Waves Pictures (254nm)


Prehnite UVSW, Jeffrey Mine, Asbestos, Qubec, Canada;
Col. G. Barmarin; Photo: G. Barmarin

 

Galerie de photos:

         ...

     To the gallery (3 images in the gallery)


Phosphorescence (in the common meaning of the term) seen by naked eye:


No Data

Main Activator(s) and spectrum:


Most Common Activator: Pb2+

Peaks in the spectrum (nm):

Pb2+ : 356nm


Spectrum: Michael Gaft, Petah Tikva, Israel. Plot: Institute of Mineralogy, University of Vienna, Austria, with permission of the authors.


Comments on activators and spectra:


Jeffrey Mine: bluish fluorescence under long wave UV illumination, plus orange-fluorescing coating by an unknown mineral (see picture above)


Best Locality for luminescence(*):


(*)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:


  http://www.mindat.org/show.php?name=Prehnite

  http://webmineral.com/data/Prehnite.shtml

Search on Internet:

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Note: While all due attention has been paid to the implementation of the database, it may contain errors and/or accidental omissions. By nature, the database will always be incomplete because science always evolves according to new analysis.
A request providing no result means only that no such reference exists in the database, but it does not mean that what you are looking for does not exist, just not to our knowledge. If you think you have found an error or omission, please let us know via the contact page being sure to cite the source of information.

 


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