Apatite CL/SEM measurement, e- beam, Barbarand & Pagel 2001

Measurement details

Reference Barbarand & Pagel 2001
Barbarand J. & Pagel M. (2001). Cathodoluminescence study of apatite crystals. American Mineralogist, 86(4), 473-484. DOI: https://doi.org/10.2138/am-2001-0411
Material Apatite [ Ca5(PO4)3(OH, F, Cl) ]
Specimen temperature Ambient
Analysis technique Cathodoluminescence (CL), using a Scanning Electron Microscope (SEM)
Probe Electron beam
Lines
  • Ce3+ 350 nm, 380 nm, 458 nm
  • Dy3+ 482 nm, 577 nm, 667 nm
  • Er3+ 403 nm
  • Eu2+ 451 nm
  • Gd3+ 312 nm
  • Intrinsic 345 nm, 377 nm, 432 nm, 564 nm
  • Sm3+ 566 nm, 599 nm, 649 nm
  • Tb3+ 381 nm, 416 nm, 438 nm, 490 nm, 546 nm

Composition

Nominal composition of Apatite [ Ca5(PO4)3(OH,F,Cl) ].
Element At% Wt%
H 1.66 0.07
Ca 23.42 39.36
P 14.05 18.25
O 57.76 38.76
F 1.56 1.24
Cl 1.56 2.32
Total 100 100