Color Dependence on Thickness in Topaz Crystal from Brazil

Table 1

Best-fitted parameters of the optical absorption spectra of thin sample of topaz heated at 600°C for Gaussian line shapes. The Gaussian amplitudes are given in absorbance units.

Peak	𝜈0𝑖 (10^3 cm^−1)	Δ𝜈𝑖 (10^3 cm^−1)	Amplitude
1	60.9±2.0	8.67±0.59	5.46±0.89
2	41.63±0.40	3.01±0.18	0.648±0.025
3	38.51±0.12	1.96±0.17	0.297±0.034