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