Nicholson explains, however, that while a square furnace-like structure at Amarna may be related to faience production, Petrie did not encounter any actual faience kilns at the site. Lucas documented a large number of molds at the palace area of Amenhotep III at Qantir, from 19th to 20th Dynasties, and at the palace area of Naucratis, also described in different sources as a scarab maker's and faience factory. However, seeing there is a lack of carefully documented archaeological evidence as to the nature of faience factory sites, direct information about the glazing process does not exist.