Tesaurus d'Art i Arquitectura Getty Institute 0000-00-00 2024-01-24 15:40:44 en mullite300212822porcelainite Mineral originally found on the Isle of Mull and used as refractory material for firebrick and furnace linings. It occurs naturally as fused argillaceous sediment inclusions in the mineral buchite, but this is rare, and as a result, it is produced artificially. mulita mul·lita 2026-03-30 20:40:45