the world > matter > constitution of matter > other specific kinds of texture > [noun] > grain of wood, stone, or metal > in stone (2)
The longitudinal arrangement of fibres or particles, in lines or veins more or less parallel along which… in coal, stone, etc.: lamination…
The direction along which rock or stone tends to split; spec. the direction of a secondary plane of cleavage, contrasted with rift (rift, n.2…