1. Ceramic mass for the manufacture of facing tiles, including low-melting hydromica clay and waste of talc quarries, characterized in that, as waste of talc quarries, it contains waste of talc stone quarries containing, wt%: carbonate - 1-9, tremolite - 1-70, talc - 5-47, chlorite - 33-55, ore impurities - 1-3, with the following ratio of components, wt%: low-melting …