Structural Evolution of Burmese Amber during Petrifaction Based on a Comparison of the Spectral Characteristics of Amber, Copal, and Rosin

Figure 3

Raman spectra of amber, copal, and rosin samples. Burmese amber samples: (a) A-1, (b) A-2, and (c) A-3. (d) Copal sample (KB). (e) Rosin sample (SX). (f) All samples.

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