Fluorite measurement, Dorenbos 2003

Reference	Dorenbos 2003 Dorenbos P. (2003). Anomalous luminescence of Eu2+ and Yb2+ in inorganic compounds. Journal of Physics-Condensed Matter, 15(17), 2645-2665. DOI: https://doi.org/10.1088/0953-8984/15/17/318
Material	Fluorite [ CaF₂ ] Specimen of fluorite, from Minerva mine, Cave-in-Rock, Hardin Co., Illinois, USA. Specimen M 52847, Museums Victoria. © Photo by Rodney Start, Copyright Museums Victoria / CC BY (Licensed as Attribution 4.0 International)
Specimen temperature	Ambient
Analysis technique	Unknown
Line	Yb²⁺ 575 nm

Nominal composition of Fluorite [ CaF₂ ].
Element	Atoms	At%	Wt%
Ca	1	33.3	51.3
F	2	66.7	48.7