Spectrum Nomalized Raman spectrum of $NaAlSi_{3}O_{8}$ albite acquired with a 514 nm laser Spectrum Nomalized Raman spectrum of $CaAl_{2}Si_{2}O_{8}$ anorthite acquired with a 514 nm laser Spectrum Nomalized Raman spectrum of $KAlSi_{3}O_{8}$ orthoclase acquired with a 514 nm laser