A TECHNICAL NOTE ON NIELLO
R. Newman, J. R. Dennis, & E. Farrell
ABSTRACT—Niello, a lustrous blue-black material, consists of one or more metallic sulfides (silver, copper, and lead). It is used to decorate silver, bronze, and gold objects. The history of the use of niello is reviewed, as well as the properties of the various types.
2. HISTORY OF NIELLO
3. PROPERTIES OF NIELLO