Sodalite (var. synthetic) PL/UV measurement, 253.7 nm UV illum., LN<sub>2</sub> (77K), Van Doorn & Schipper 1971

Sodalite (var. synthetic) PL/UV measurement, 253.7 nm UV illum., LN₂ (77K), Van Doorn & Schipper 1971

Reference	Van Doorn & Schipper 1971 Van Doorn C. & Schipper D. (1971). Luminescence of O−2, Mn2+ and Fe3+ in sodalite. Physics Letters A, 34(3), 139-140. https://doi.org/10.1016/0375-9601(71)90792-4 https://www.sciencedirect.com/science/article/pii/0375960171907924
Material	Sodalite (var. synthetic) [ Na₈Al₆Si₆O₂₄Cl₂ ] Sodalite from collection of Wikipedia user Ra'ike © CC BY-SA 3.0 Ra'ike
Specimen temperature	LN₂ (77K)
Technique	Ultraviolet photoluminescence
Probe	UV light source
Peak wavelength	253.7 nm
Detector name	Hilger Monospek 1000 grating monochromator with XP 1002 photomultiplier
Det. technology	Photomultiplier
Lines	Fe³⁺ 1.815 eV, Mn²⁺ 2.288 eV, O2^- 450 — 736.5 nm, 22222 cm-1, 21254 cm-1, 20222 cm-1, 19213 cm-1, 18232 cm-1, 17271 cm-1, 16353 cm-1, 15395 cm-1, 14493 cm-1, 13578 cm-1

Nominal composition of Sodalite (var.synthetic) [ Na₈Al₆Si₆O₂₄Cl₂ ].
Element	Atoms	At%	Wt%
Na	8	17.4	19
Al	6	13	16.7
Si	6	13	17.4
O	24	52.2	39.6
Cl	2	4.35	7.32