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The smalti variety is certainly incredible: brilliant, radiant yellows that acquire a luminosity unseen in tempera and pastels; greens that are sometimes rich and dense and sometimes evanescent, recalling water and crystal and moving towards turquoise and the endless range of blues-deep, magnificent blues that slowly change into violet and purple, one of the hardest colours to obtain. Then the reds, torment and joy for the most demanding mosaicists. |