Know all about Blueschist and Slate properties here. All properties of rocks are important as they define the type of rock and its application. Blueschist and Slate belong to Metamorphic Rocks.Texture of Blueschist is Foliated whereas that of Slate is Foliated. Blueschist appears Dull and Banded and Slate appears Dull. The luster of Blueschist and Slate is dull. Blueschist is available in blue, bluish - grey, purple, shades of blue colors whereas Slate is available in black, brown, buff, green, light to dark grey, purple, red, shades of blue colors. The commercial uses of Blueschist are cemetery markers, commemorative tablets, creating artwork, curling, 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.