Know all about Granulite and Slate properties here. All properties of rocks are important as they define the type of rock and its application. Granulite and Slate belong to Metamorphic Rocks.Texture of Granulite is Granoblastic whereas that of Slate is Foliated. Granulite appears Veined or Pebbled and Slate appears Dull. The luster of Granulite is vitreous while that of Slate is dull. Granulite is available in black, brown colors whereas Slate is available in black, brown, buff, green, light to dark grey, purple, red, shades of blue colors. The commercial uses of Granulite are curling, gemstone, laboratory bench tops, soil conditioner, tombstones and that of Slate are blackboards, commemorative tablets, laboratory bench tops, standard material for the bed of billiard table, standard material for the beds of pool and snooker table, tombstones, used in aquariums, writing slates.