Figures of the Article

• The structure of main components for different amber classifications
• The bloodish amber from Myanmar and the typical cross section
• The cracks in moderately aged (MA) and seriously aged (SA) bloodish amber from Myanmar (the yellow dotted line represented the distribution of the main cracks)
• The TGA-DSC results of bloodish amber samples from Myanmar in different ageing degrees: (a) unaged (U); (b) lightly aged (LA); (c) moderately aged (MA)
• The total ion chromatograms of the bloodish amber samples from Myanmar with different ageing degree by TD-GC/MS analysis, and the corresponding compounds of the peaks
• The ageing mechanism of the related structure of 5, 6, 7, 8-Tetrahydro cadalene in bloodish amber samples from Myanmar