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

Calcite 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	Calcite [ CaCO₃ ] Fluorescence and birefringence of 445 nm laser in calcite crystal © Photo by Jan Pavelka (via Wikimedia Commons), CC-BY-SA 4.0
Specimen temperature	Ambient
Technique	Laser photoluminescence (PL)
Probe	Laser beam
Lines	Eu³⁺ 618 nm, 619 nm, Mn²⁺ 620 nm, Nd³⁺ 889 nm, Pb²⁺ 312 nm, Tb³⁺ 488 nm

Nominal composition of Calcite [ CaCO₃ ].
Element	Atoms	At%	Wt%
Ca	1	20	40
C	1	20	12
O	3	60	48