Database of luminescent minerals 

scapolite

Chemical formula: See MEIONITE / (Group: MEIONITE, MARIALITE )

Family: Silicates

Status:

Crystal system : Tetragonal

Display mineral: NON

Luminescence:

Daylight picture

scapolite, UV SW,
Photo & Col. © G. Barmarin

Shortwave (254nm) picture

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

No data

Tenebrescence: OUI

Activator(s) and spectrum:

Activator(s): Fe³⁺, Pb²⁺,   S₂^-,  Eu²⁺,  Mn²⁺ ,  O^-₂,  

Peaks in the spectrum (nm):

Fe³⁺? : band at 710 - 720nm

Mn²⁺ : broad band at 630 - 690nm

Comments on spectrum and activators:

Red fluorescence: Fe³⁺? (band at 710 - 720nm)  Mn²⁺ (broad band at 630 - 690nm)

Blue fluorescence: Pb²⁺ (Langban, Sweden) 

A recent find of colorless scapolite in Badakhshan ( Afghanistan) turns to a blue color when exposed to UVSW.

Best localities for fluorescence (*):

• Karur, Tamilnadu, India;
• Madagascar (dull red);
• Cannon Inlet, Baffin Island, Nunavut (bright peach under MW);
• Nobel Pit, Sterling Hill Mine, Ogdensburg, New Jersey, USA (gray scapolite fl. medium crimson red SW associated with calcite fl.bright red SW);
• Limecrest Quarry in NJ. The Scapolite ( yellow LW, yellowish-white MW & SW);
• Diamond Lade Roadcut, Hastings County, Ontario, Canada ((green scapolite fl. medium crimson red SW associated with calcite fl.bright red SW);
• Marble occurrence, Morogoro, Uluguru Mts, Morogoro Region, Tanzania (red SW, dull blue LW));
• Langban, Filipstad, Varmland, Sweden (SW blue-white, blue);
• Bancroft area, Hastings Co., Ontario, Canada (orange-pink fluo);
• Yates mine, Otter Lake, Pontiac RCM, Outaouais, Québec, Canada (red SW);
• Mountain Top Trucking quarry, Torrington, Litchfield Co., Connecticut, USA (red SW);
• Valyermo, Holcomb Ridge, Los Angeles Co., California, USA (yellow LW);
• Maple Leaf, Monteagle Township, Hastings Co., Ontario, Canada (dull orange);
• Yates mine, Otter Lake, Pontiac RCM, Outaouais, Québec, Canada (dull pink);

(*)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 ,
• The World of Fluorescent Minerals, Stuart Schneider, Schiffer Publishing, 2006, ISBN 0-7643-2544-2 ,
• 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=Scapolite

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

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