Apatite CL/SEM measurement, e- beam, Kempe & Götze 2002

Measurement details

Reference Kempe & Götze 2002
Kempe U. & Götze J. (2002). Cathodoluminescence (CL) behaviour and crystal chemistry of apatite from rare-metal deposits. Mineralogical Magazine, 66(1), 151-172. DOI: https://doi.org/10.1180/0026461026610019
Material Apatite [ Ca5(PO4)3(OH, F, Cl) ]
Specimen temperature Ambient
Technique Cathodoluminescence (CL), using a Scanning Electron Microscope (SEM)
Probe Electron beam
Lines
  • Ce3+ 365 nm
  • {{linesearch:857145e3-b100-4a48-ae67-5c8323f598cd|Dy3+}}: 470 nm, 570 nm
  • Eu2+ 410 — 445 nm
  • {{linesearch:2c49844c-2a7f-464a-ad5c-2d87b416a357|Mn2+}}: 565 nm
  • {{linesearch:8f476346-eeb1-4e6d-8652-989e6fa80bdc|Sm3+}}: 420 nm, 600 nm, 640 nm, 690 nm, 800 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