Know all about Slate and Websterite properties here. All properties of rocks are important as they define the type of rock and its application. Slate belongs to Metamorphic Rocks while Websterite belongs to Igneous Rocks.Texture of Slate is Foliated whereas that of Websterite is Clastic, Granular, Phaneritic, Porphyritic. Slate appears Dull and Websterite appears Layered, Banded, Veined and Shiny. The luster of Slate is dull while that of Websterite is dull to vitreous to submetallic. Slate is available in black, brown, buff, green, light to dark grey, purple, red, shades of blue colors whereas Websterite is available in black to grey, bluish - grey, dark greenish - grey, green, light greenish grey colors. The commercial uses 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 and that of Websterite are cemetery markers, commemorative tablets, creating artwork, laboratory bench tops, jewelry, sea defence, tombstones.