Spinel PL/Laser measurement, Gaft <i>et al.</i> 1998

Spinel PL/Laser measurement, Gaft et al. 1998

Reference	Gaft et al. 1998 Gaft M., Reisfeld R., Panczer G., Blank P. & Boulon G. (1998). Laser-induced time-resolved luminescence of minerals. Spectrochimica Acta Part a-Molecular and Biomolecular Spectroscopy, 54(13), 2163-2175. DOI: https://doi.org/10.1016/S1386-1425(98)00134-6
Material	Spinel [ MgAl₂O₄ ] Pink and blue spinels from Tajikistan © Photo by Chip Clark, via Smithsonian National Museum of Natural History
Specimen temperature	Ambient
Technique	Laser photoluminescence (PL)
Probe	Laser beam
Line	Cr³⁺ 698 nm

Nominal composition of Spinel [ MgAl₂O₄ ].
Element	Atoms	At%	Wt%
Mg	1	14.3	17.1
Al	2	28.6	37.9
O	4	57.1	45