Figures of the Article

• Some of the gem-quality coral samples
• The surface detail of Corallium sp. nov.
• The cross sectional detail of Corallium sp. nov.
• XRD pattern of Corallium sp. nov.
• Distribution of Mg/Ca and Sr/Ca in skeleton of different gem-quality corals
• Distribution of Mg/Ca and Ba/Ca in skeleton of different gem-quality coral species (a) and the data graph (b) of Hiroshi Hasegawa et al.
• Ternary diagram of Li/Ca, Mg/Ca and Ba/Ca ratios of different gem-quality coral species
• FTIR spectra of Corallium sp. nov.
• FTIR spectra of four kinds of gem-quality corals
• Raman spectra of Corallium sp. nov.
• UV-Visible spectra of dark Corallium sp. nov.
• UV-Visible spectra of pale Corallium sp. nov.
• UV-Visible spectra of Corallium elatius
• UV-Visible spectrum of Paracorallium japonicum
• UV-Visible spectrum of Corallium rubrum
• UV-Visible spectra of orange Corallian elatius and Corallium sp.nov.
• UV-Visible spectra of pinkish-orange Corallian elatius and Corallium sp.nov.