MALAYAITE
Chemical Formula: CaSnSiO5
Familly: Silicates
Status: IMA-A
Crystal System: Monoclinic
Mineral for Display: No
Luminescence:
UV Type |
Main color |
Intensity |
Observation Frequency |
|
| | | |
Long Waves (365nm): | Yellow | | | Short Waves (254 nm): | Yellowish White | Strong | | | | | |
Other colors SW: | White , Yellowish White , Pale Yellow , Greenish white , |
Daylight Picture
MALAYAITE, Meldon, Okehampton, Devon, England;
Col. G.Barmarin; Photo: G. Barmarin
Short Waves Pictures (254nm)
MALAYAITE, Meldon, Okehampton, Devon, England;
UVSW
Col. G.Barmarin; Photo: G. Barmarin
Phosphorescence (in the common meaning of the term) seen by naked eye:
No Data
Main Activator(s) and spectrum:
Most Common Activator: TiO6
Other activators: 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 Locality for luminescence(*):
- 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);
(*)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 ,
- 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 ,
Luminescence Reference on internet:
- UV-Waves September/October 1996, UV Minerals in former East Germany by H.J.Weller and J. Slacik reprinted from Fundgrube, XXVI, 1990,#3
Images:
Mineralogical Reference on internet:
http://www.mindat.org/show.php?name=Malayaite
http://webmineral.com/data/Malayaite.shtml
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