Scheelite PL/XL measurement, x-ray beam, Gorobets <i>et al.</i> 1976

Scheelite PL/XL measurement, x-ray beam, Gorobets et al. 1976

Reference	Gorobets et al. 1976 Gorobets B. S., Mikhalev A. A. & Nauchitel M. A. (1976). Rare earths in the luminescence spectra of natural scheelites. Journal of Applied Spectroscopy, 25(1), 918-920. DOI: https://doi.org/10.1007/bf00605176
Material	Scheelite [ CaWO₄ ] Luminescence of scheelite (blue) on muscovite under UV shortwave illumination, from Yaogangxian Mine, Yaogangxian W-Sn ore field, Yizhang Co., Chenzhou Prefecture, Hunan Province, China © Photo by Géry PARENT (via Wikimedia Commons), Public Domain
Specimen temperature	Ambient
Technique	X-ray photoluminescence
Probe	X-ray beam
Lines	Dy³⁺ 675 nm, Gd³⁺ 410 nm, Sm³⁺ 740 nm

Nominal composition of Scheelite [ CaWO₄ ].
Element	Atoms	At%	Wt%
Ca	1	16.7	13.9
W	1	16.7	63.9
O	4	66.7	22.2