salt fired porcelain cup with red slib and gobi blue glaze. On the inside a celadon.
What is salt firing in ceramics?
Salt firing is a vapor-glazing process where salt (sodium chloride) is introduced into kiln firebox at high temperature. The salt vaporizes, and sodium vapor combines with silica in clay surface, forming extremely hard sodium-silicate glaze.
10 cm wide and 5,5 cm high.