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