Fig. 8From: Art historical and scientific controversies about four easel paintings attributed to Kamal al-Molk, the renowned nineteenth-twentieth century Persian painterRaman spectra of a Prussian blue mixed with lead white in the blue colour of Kojur, b azurite in the dark blue colour of Safiabad, c ultramarine blue, rutile and huntite in the white colour of Farahabad and d blue phthalocyanine PB:16 in green colour of TajanBack to article page