Know all about Lamprophyre and Slate properties here. All properties of rocks are important as they define the type of rock and its application. Lamprophyre belongs to Igneous Rocks while Slate belongs to Metamorphic Rocks.Texture of Lamprophyre is Porphyritic whereas that of Slate is Foliated. Lamprophyre appears Dull, Banded and Foilated and Slate appears Dull. The luster of Lamprophyre is subvitreous to dull while that of Slate is dull. Lamprophyre is available in black, bluish - grey, brown, dark greenish - grey, green, 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 Lamprophyre are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner, source of magnesia (mgo) 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.