Database of luminescent Minerals

RHODIZITE

Chemical Formula: (K,Cs)Al₄Be₄(B,Be)₁₂O₂₈

Status: IMA-GP

Mineral for Display: No

Luminescence:

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

Comments:

In association with red tourmaline in Madagascar;

Main Activator(s) and spectrum:

Most Common Activator: Mn²⁺

Comments on activators and spectra:

Activator Mn²⁺ replacing Al³⁺ octaedric??

Best Locality for luminescence(*):

• Manjaka Mine, Mount Bity (Ibity), Madagascar;
• Anjanabonoina, Madagascar (fluo bright orange SW and weak white LW);
• Antandrokomby pegmatite, Manandona Valley, Sahatany Pegmatite Field, Vakinankaratra Region, Antananarivo Province, Madagascar (orange SW);
• Tetezantsio-Andoabatokely Pegmatite Field, Andrembesoa Commune, Betafo District, Vakinankaratra Region, Antananarivo Province, Madagascar (associated with tourmaline);

(*)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 ,
• Fluorescence: Gems and Minerals Under Ultraviolet Light, Manuel Robbins, 1994, Geoscience Press, ISBN 0-945005-13-X ,
• Luminescent Spectra of Minerals, Boris S. Gorobets and Alexandre A. Rogojine, Moscow, 2002 ,

Mineralogical Reference on internet:

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

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

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