Database of luminescent Minerals

XENOTIME-(Y)

Chemical Formula: YPO₄

Familly: Phosphates, Arseniates, Vanadates

Status: IMA-GP

Crystal System: Tetragonal

Mineral for Display: No

Luminescence:

Daylight Picture

XENOTIME, daylight,
Mount Malosa, Zomba, Southern Region, Malawi
Photo & Col. © Alejandro Félix Gutiérrez with permission of the author

Short Waves Pictures (254nm)

XENOTIME, UV SW,
Mount Malosa, Zomba, Southern Region, Malawi
Photo & Col. © Alejandro Félix Gutiérrez with permission of the author

Galerie de photos:

     To the gallery (2 images in the gallery)

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

Main Activator(s) and spectrum:

Most Common Activator: (UO₂)²⁺ (Uranyl ion) as impurities

Peaks in the spectrum (nm):

 (UO₂)²⁺ : (511), 525, 527 nm

Best Locality for luminescence(*):

• Novo Horizonte, Bahia  Brazil (2006, LW + weaker SW);
• Mount Malosa, Zomba, Southern Region, Malawi;

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

Bibliographical Reference for luminescence:

• 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 ,

Luminescence Reference on internet:

Images

 

• Malawi (mindat)

Mineralogical Reference on internet:

  http://www.mindat.org/show.php?name=Xenotime-(y)

  http://webmineral.com/data/Xenotime-(y).shtml

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