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