Database of luminescent minerals 

francolite

Chemical formula: See CARBONATE-FLUORAPATITE

Status: NR

Display mineral: NON

Luminescence:

Daylight picture

Longwave (365nm) picture

Shortwave (254nm) picture

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

No data

Activator(s) and spectrum:

Activator(s): (UO₂)²⁺ (ion Uranyle) en impureté,

Peaks in the spectrum (nm):

400 nm, 463 nm, 490 nm, 527 nm,563 nm 

UO₂²⁺ : 500, 519, 542, 562nm (sample in collection)

Col. G. Barmarin; Spectre: G. Barmarin

Best localities for fluorescence (*):

(*)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 ,
• Luminescent Spectra of Minerals, Boris S. Gorobets and Alexandre A. Rogojine, Moscow, 2002 ,

Mineralogical reference on the Internet:

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

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

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