Spectrum Normalized Raman spectrum of $Ca_5(PO_4)_3(OH,F,Cl)$ apatite acquired with a 514 nm laser Spectrum Normalized Raman spectrum of $AlPO_4$ berlinite acquired with a 514 nm laser Spectrum Normalized Raman spectrum of $Ca_9(Mg,Fe^{2+})(PO_4)_6(PO_3OH)$ whitlockite acquired with a 514 nm laser Spectrum Normalized Raman spectrum of $YPO_4$ xenotime acquired with a 514 nm laser