Know all about Foidolite and Theralite properties here. All properties of rocks are important as they define the type of rock and its application. Foidolite and Theralite belong to Igneous Rocks.Texture of Foidolite is Earthy whereas that of Theralite is Phaneritic. Foidolite appears Dull and Theralite appears Veined and Shiny. The luster of Foidolite is subvitreous to dull while that of Theralite is waxy and dull. Foidolite is available in black, brown, colourless, green, grey, pink, white colors whereas Theralite is available in dark grey to black colors. The commercial uses of Foidolite are cemetery markers, commemorative tablets, creating artwork and that of Theralite are cemetery markers, commemorative tablets, creating artwork, laboratory bench tops, jewelry, sea defence, tombstones.