Baryte PL/Laser measurement, 266 nm YAG (4th harmonic) laser beam, Gaft <i>et al.</i> 2001

Baryte PL/Laser measurement, 266 nm YAG (4th harmonic) 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	266 nm YAG (4th harmonic) laser beam
Det. technology	Intensified CCD
Lines	Ag⁺ 374 nm, Bi²⁺ 625 nm, 625 nm, Bi³⁺ 460 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