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