Database of luminescent Minerals


BURBANKITE


Chemical Formula: (Na,Ca)3(Sr,Ba,Ce)3(CO3)5

Familly: Carbonates

Status: IMA-GP

Crystal System: Hexagonal

Mineral for Display: No


Luminescence:


UV Type Main color Intensity Observation Frequency
Long Waves (365nm):      Orange Red
Mid waves (320 nm):      Bluish White
Short Waves (254 nm):      Orange Red
Other colors LW:     
Pink ,
Other colors SW:          
Bluish White , Pink ,
 

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


No Data

Comments:


Specimen not analyzed. should be strictly speaking labeled burbankite group (in the sense of Horvath – Lapis, Rivista 2000). Other possibilities for not analysed specimens: remondite(Ce), petersenite-(Ce), khanneshite and calcioburbankite. 


Main Activator(s) and spectrum:


Most Common Activator: Fe3+

Other activators:            Ce3+ , Sm3+ , Eu3+ , Dy3+ , Mn2+ , O* , Nd3+ ,

Peaks in the spectrum (nm):

Ce3+ repl. Ca2+ : 390nm 

Mn2+ repl. Ca2+ : 560nm 

Sm3+ : 560 - 561, 594, 600, 642, 650, 702nm  (exc.532nm)

Eu3+ : 616nm

Fe3+  : 735nm 

Nd3+ repl. Ca2+ :869, 898, 950nm (exc. 780nm)

No spectrum for the moment

Comments on activators and spectra:


Laser-induced photoluminescence was studied for burbankite group minerals hexagonal burbankite, calcioburbankite, khanneshite and monoclinic remondite-(Ce), remondite-(La), petersenite-(Ce), as well as for orthorhombic carbocemaite and strontianite from carbonatites and hydrothennalites of alkaline complexes from various regions of the world.

 

Burbankite was studied by steady-state luminescence spectroscopy and luminescence of trivalent REE, such as Dy, Sm and Nd, was found (Gorobets and Rogojine 2001)

 

All REE-rich minerals of burbankite group (REЕ2Оз ~ 10.5 wt%) are characterized by violet luminescence and their photo- and X-ray luminescence spectra always contail1 four bands of Sm3+.

Low-REE hydrothermal burbankites (RЕЕ2Оз < 3 wt%) are distinguished bу different luminescence colors (from whitish to violet) and the low intensive spectra without Sm3+ bands.

The essential differences in luminescence properties of indicated burbankites are determined bу concentration ratio of the luminogene donor (Се3+) and the luminogene acceptor (Sm3+). (Gaft)

 


Best Locality for luminescence(*):


(*)Data are not exhaustive and are limited to the most important localities for fluorescence


Bibliographical Reference for luminescence:



Luminescence Reference on internet:



Mineralogical Reference on internet:


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

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

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