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

Figure 1

Photographs of experimental samples: (a) Burmese amber sample A-1; (b) Burmese amber sample A-2; (c) Burmese amber sample A-3; (d) copal sample (KB); (e) natural rosin sample (SX); (f) all specimens.

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