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