Fedorite PL measurement, Ambient/77K, Yarovoy 1996

Measurement details

Reference Yarovoy P.N. Laser-induced Luminescence Identification of Materials. - Irkutsk: Irk. State Techn. University. - 1996. - 176 p.
Material Fedorite [ (K, Na)2.5(Ca, Na)7Si16O38(OH, F)2·3.5H2O ]
Specimen temperature Ambient/77K
Technique Photoluminescence (PL)
Lines Eu2+ 415 nm, Mn2+ 560 nm

Composition

Nominal composition of Fedorite [ (K,Na)2.5(Ca,Na)7Si16O38(OH,F)2·3.5H2O ].
Element Atoms At% Wt%
H ~8 ~10.39 ~0.5543
Na ~4.75 ~6.169 ~7.507
K ~1.25 ~1.623 ~3.36
Ca ~3.5 ~4.545 ~9.642
Si 16 20.8 30.9
O ~42.5 ~55.19 ~46.74
F ~1 ~1.299 ~1.306