Petrographic study of the colorful tiles of the facade's decor of churches of Veliky Ustyug

Аннотация

The structure, mineral and a chemical composition of ceramic paste and glazes of colorful tiles are studied. It is revealed that for their manufacturing was used the local red clay into which in quality of emaciating elements were entered sand and a ceramic crumb. The structure of color glazes consists of lead and silicate with an impurity alkaline and alkali and land elements. In quality of chromophores tin are used copper, iron, tin.