Database of luminescent minerals 

MALAYAITE

Chemical formula: CaSnSiO₅

Family: Silicates

Status: IMA-A

Crystal system : Monoclinic

Display mineral: NON

Luminescence:

Daylight picture

MALAYAITE, Meldon, Okehampton, Devon, England;
Col. G.Barmarin; Photo: G. Barmarin

Shortwave (254nm) picture

MALAYAITE, Meldon, Okehampton, Devon, England;
UVSW
Col. G.Barmarin; Photo: G. Barmarin

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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): TiO₆, Sm³⁺,  Mn²⁺ ,  Nd³⁺,  

Peaks in the spectrum (nm):

TiO₆? : band peaking at 550 nm

Mn²⁺ : shoulder at +/- 630 nm (Gorobets)

Col. G. Barmarin; Spectre: G. Barmarin

Best localities for fluorescence (*):

• Red-A-Venn mine in Meldon (Meldon Quarry), dartmoor Forest, Okehampton area, Devon, England, UK;
• Scew creek, Cassier Mountains, British columbia, Canada;
• Ak-Djilga, Pamirs, Tadjikistan;
• Sauberg Mine, Ehrenfriedersdorf, Erzgebirge, Sachsen, Germany (former DDR);

(*)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 ,
• Luminescence Spectroscopy of Minerals and Materials, M. Gaft, R. Reisfeld, G. Panczer, Springer Editor, ISBN: 10 3-540-21918-8 ,
• Luminescent Spectra of Minerals, Boris S. Gorobets and Alexandre A. Rogojine, Moscow, 2002 ,

Reference for luminescence on the Internet:

Mineralogical reference on the Internet:

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

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

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