Baryte PL/Laser measurement, 308 nm Excimer UV laser beam, Gaft <i>et al.</i> 2001

Baryte PL/Laser measurement, 308 nm Excimer UV laser beam, Gaft et al. 2001

Reference	Gaft et al. 2001 Gaft M., Reisfeld R., Panczer G., Boulon G., Saraidarov T. & Erlish S. (2001). The luminescence of Bi, Ag and Cu in natural and synthetic barite BaSO4. Optical Materials, 16(1-2), 279-290. DOI: https://doi.org/10.1016/s0925-3467(00)00088-4
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
Technique	Laser photoluminescence (PL)
Probe	308 nm Excimer UV laser beam
Det. technology	Intensified CCD
Lines	Ag⁺ 635 nm, Bi³⁺ 421 nm, 500 nm, 460 nm, 540 nm, 440 nm, 426 nm, Bi⁵⁺ 575 nm, Cu⁺ 740 nm, 410 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