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Publication Type:

Journal Article


Moss, A.A.;


Studies in Conservation, Volume 2, p.49-62 (1953)


A review of earlier work on Niello and a description of a method of laboratory preparation. The thermal properties of Niello are discussed and the method of application on metals. The chemical and mineralogical structure is described. Identification methods were applied to objects from actiquity to the nineteenth century. There is an interesting result: the niello consisting of a mixture of sulfides was first used in the tenth or eleventh century. Before that it was a single sufide which had to be applied in a different technique to that used later for the mixed niello mentioned in the works of Theophilus, Eraclius and Cellini.