Database of luminescent minerals 

FERRIERITE-K

Chemical formula: (K,Na,Mg_0,5,Ca_0,5)₆ [Al₆Si₃₀O₇₂] 18H₂O

Family: Silicates

Status: IMA-A

Display mineral: NON

Luminescence:

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Phosphorescence (in the common sense of the term) observable with the naked eye:

Comments:

Fluorescence intensity strongly different from sample to sample;

Activator(s) and spectrum:

No spectrum yet

Best localities for fluorescence (*):

• Agoura Hills, Los Angeles Co, California, USA (bright blue SW + strong blue long lasting phospho);
• Kamloops Lake, British Columbia, Canada (bright blue SW+LW or yellowish white LW+SW);

(*)The data are not exhaustive and are limited to a few remarkable localities for fluorescence

Bibliographic 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 the Internet:

  http://www.mindat.org/show.php?name=Ferrierite-k

  http://webmineral.com/data/Ferrierite-k.shtml

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