Laser-induced time-resolved luminescence of orange kyanite Al 2SiO5

M. Gaft, L. Nagli, G. Panczer, G. R. Rossman, R. Reisfeld

Research output: Contribution to journalArticlepeer-review

14 Scopus citations


Manganese is a very important microelement performing a large number of biological functions in human body. We have detected by spectroscopic measurements manganese in mineral kyanite. In this paper we present laser-induced time-resolved luminescence and optical absorbance spectra of orange, Mn containing kyanite. It was proven the orange color is caused by Mn3+. Several luminescence lines and bands were found and ascribed to Mn4+ and Mn3+, emission centers. The spectroscopic technique can be utilized for detection of small amounts of manganese in minerals.

Original languageEnglish
Pages (from-to)1476-1480
Number of pages5
JournalOptical Materials
Issue number10
StatePublished - Aug 2011
Externally publishedYes


  • Color
  • Kyanite
  • Luminescence


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