Know all about Claystone and Blueschist properties here. All properties of rocks are important as they define the type of rock and its application. Claystone belongs to Sedimentary Rocks while Blueschist belongs to Metamorphic Rocks.Texture of Claystone is Clastic whereas that of Blueschist is Foliated. Claystone appears Rough and Dull and Blueschist appears Dull and Banded. The luster of Claystone and Blueschist is dull. Claystone is available in black, blue, brown, green, grey, orange, red, white, yellow colors whereas Blueschist is available in blue, bluish - grey, purple, shades of blue colors. The commercial uses of Claystone are pottery and that of Blueschist are cemetery markers, commemorative tablets, creating artwork, curling, tombstones.