Color Dependence on Thickness in Topaz Crystal from Brazil

Table 3

Best-fitted parameters of the optical absorption spectra of thick sample (shown in Figure 1) of topaz heated at 200°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
5	33.04±0.19	7.150±0.077	2.760±0.047
7	15.986±0.064	3.253±0.073	1.204±0.031
9	10.92±0.20	2.00±0.35	0.297±0.019