Thassos Marble is a type of Greek marble as it takes its name from Thassos Island, which is a Greek Island. It has many other names such as White of Thassos, Thassos White Marble, Bianco Thassos, Thassos Snow White, Bianco Thassos, and Thassos Pure White. This marble is backed with 8 mm Porcelain. Reason for this is making the marble stronger and using more material. Thassos porcelain back has 4 MM solid marble backed with 8MM porcelain.