The next spectra are a part of the historical data kindly provided by Karl Norris and collected on his spectrometer Cary 14. This webpage contain 5 spectra of rare earth oxides.
![Spectrum of ERBIUM OXIDE](https://icnirs.org//wp-content/uploads/2021/07/spectrum403.jpg)
ERBIUM OXIDE
![Spectrum of HOLMIUM OXIDE](https://icnirs.org//wp-content/uploads/2021/07/spectrum404.jpg)
HOLMIUM OXIDE
![Spectrum of TERBIUM OXIDE](https://icnirs.org//wp-content/uploads/2021/07/spectrum405.jpg)
TERBIUM OXIDE
![Spectrum of DYSPROSIUM OXIDE](https://icnirs.org//wp-content/uploads/2021/07/spectrum406.jpg)
DYSPROSIUM OXIDE
![Spectrum of NEODYMIUM OXIDE](https://icnirs.org//wp-content/uploads/2021/07/spectrum407.jpg)
NEODYMIUM OXIDE
Date online : 3 June 2013