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