Apatite CL/FloodGun measurement, Mariano & Ring 1975

Measurement details

Reference Mariano & Ring 1975
Mariano A. N. & Ring P. J. (1975). Europium-activated cathodoluminescence in minerals. Geochimica et Cosmochimica Acta, 39(5), 649-660. DOI: https://doi.org/10.1016/0016-7037(75)90008-3
Material Apatite [ Ca5(PO4)3(OH, F, Cl) ]
Specimen temperature Ambient
Analysis technique Cathodoluminescence (CL), using a flood-gun source
Lines Eu3+ 590 nm, 617 nm, 700 nm, Mn2+ 565 nm

Composition

Nominal composition of Apatite [ Ca5(PO4)3(OH,F,Cl) ].
Element Atoms At% Wt%
H 0.118 1.66 0.07
Ca 1.667 23.42 39.36
P 1 14.05 18.25
O 4.112 57.76 38.76
F 0.111 1.56 1.24
Cl 0.111 1.56 2.32