sentences:  Venetian plaster is a wall and ceiling finish consisting of plaster mixed with marble dust, applied with a spatula or trowel in thin, multiple layers, which are then burnished to create a smooth surface with the illusion of depth and texture.Venetian plaster techniques include marmorino, scagliola, and sgraffito.When left un-burnished, Venetian plaster has a matte finish that is rough and stone-like to the touch.