Know all about Troctolite and Lamprophyre properties here. All properties of rocks are important as they define the type of rock and its application. Troctolite and Lamprophyre belong to Igneous Rocks.Texture of Troctolite is Phaneritic whereas that of Lamprophyre is Porphyritic. Troctolite appears Veined and Shiny and Lamprophyre appears Dull, Banded and Foilated. The luster of Troctolite is not available while that of Lamprophyre is subvitreous to dull. Troctolite is available in dark grey to black colors whereas Lamprophyre is available in black, bluish - grey, brown, dark greenish - grey, green, grey colors. The commercial uses of Troctolite are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones and that 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).