PABSTITE
Chemical Formula: Ba(Sn,Ti)Si3O9
Familly: Silicates
Status: IMA-A
Crystal System: Hexagonal
Mineral for Display: No
Luminescence:
UV Type |
Main color |
Intensity |
Observation Frequency |
|
| | | |
Mid waves (320 nm): | Bluish White | | | Short Waves (254 nm): | Bluish White | | | | | | |
Daylight Picture
PABSTITE, Kalkar Quarry, Santa Cruz, California, USA;
Col. G.Barmarin; Photo: G. Barmarin
Short Waves Pictures (254nm)
PABSTITE, Kalkar Quarry, Santa Cruz, California, USA;
UVSW
Col. G.Barmarin; Photo: G. Barmarin
Phosphorescence (in the common meaning of the term) seen by naked eye:
No Data
Comments:
Tin analogue of BENITOITE; practically only visible on the matrix under UVSW or UVMW;
Main Activator(s) and spectrum:
Most Common Activator:
Peaks in the spectrum (nm):
Large band centered around 477nm with evants at 450nm, 477nm, 507nm, 551nm
Col. G. Barmarin; Spectre: G. Barmarin
Comments on activators and spectra:
Intrinsic luminescence similar to Benitoite.
Best Locality for luminescence(*):
- Pacific Limestone Products quarry (KALKAR Quarry), Santa Cruz, Santa Cruz County, California, USA ;
- Dara-i-Pioz glacier, Garmsky district, Tadjikistan ;
- Madrelena Mine, Tres Pozos, Baja California Norte, Mexico ;
- Rhodonite occurrence, Muzeinyi Valley, Inyl chek Range, Issyk-Kul Region, Kyrgyzstan;
(*)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 Reference on internet:
- PABSTITE FROM THE DARA-i-PIOZ MORAINE (TADJIKISTAN), Leonid A. Pautov, New data on minerals. M.: 2003. Volume 38
- Handbook of mineralogy , John W. Anthony, Richard A. Bideaux, Kenneth W. Bladh, and Monte C. Nichols, Mineral Data Publishing.
- PABSTITE, THE TIN ANALOGUE OF BENITOITE, Eugène B. Gross, John E. N. Wainwright AND Bernard W. Evans, THE AMERICAN MINERALOGIST, VOL. 50, SEPTEMBER, 1965
Images:
Mineralogical Reference on internet:
http://www.mindat.org/show.php?name=Pabstite
http://webmineral.com/data/Pabstite.shtml
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