Fig. 7From: Art historical and scientific controversies about four easel paintings attributed to Kamal al-Molk, the renowned nineteenth-twentieth century Persian painterRaman spectra of a lead white in the blue colour of Safiabad, b calcite in blue colour of Safiabad, c rutile and calcite in the white colour of Tajan, d huntite and rutile in the white colour of Farahabad and e baryte in the pale blue colour of SafiabadBack to article page