Fig. 9From: Art historical and scientific controversies about four easel paintings attributed to Kamal al-Molk, the renowned nineteenth-twentieth century Persian painterRaman spectra of a chrome yellow, calcite and baryte in the dark blue colour of Safiabad, b chromium oxide green and rutile in the green colour of Tajan and c chrome yellow, gypsum, zinc white, barite and hematite in the red colour of TajanBack to article page