Baryte PL/Laser measurement, Gaft <i>et al.</i> 2005

Baryte PL/Laser measurement, Gaft et al. 2005

Reference	Gaft et al. 2005 Gaft, M., Reisfeld, R. & Panczer, G. (2005). Modern Luminescence Spectroscopy of Minerals and Materials. Berlin Heidelberg: Springer. https://www.springer.com/gp/book/9783642060113
Material	Baryte [ BaSO₄ ] Barite specimen from Elk Creek locality, Dalzell, Meade County, South Dakota, USA. Size: 2.3 x 1.3 x 1.3 cm © Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
Specimen temperature	Ambient
Technique	Laser photoluminescence (PL)
Probe	Laser beam
Lines	Ag⁺ 635 nm, Bi²⁺ 625 nm, Bi³⁺ 426 nm, Ce³⁺ 302 nm, 330 nm, Eu²⁺ 375 nm, Nd³⁺ 446 nm

Nominal composition of Baryte [ BaSO₄ ].
Element	Atoms	At%	Wt%
Ba	1	16.7	58.8
O	4	66.7	27.4
S	1	16.7	13.7