Know all about Suevite and Foidolite properties here. All properties of rocks are important as they define the type of rock and its application. Suevite belongs to Metamorphic Rocks while Foidolite belongs to Igneous Rocks.Texture of Suevite is Earthy whereas that of Foidolite is Earthy. Suevite appears Banded and Foidolite appears Dull. The luster of Suevite is earthy while that of Foidolite is subvitreous to dull. Suevite is available in black, brown, colourless, green, grey, pink colors whereas Foidolite is available in black, brown, colourless, green, grey, pink, white colors. The commercial uses of Suevite are as a feed additive for livestock, gemstone, metallurgical flux, source of magnesia (mgo) and that of Foidolite are cemetery markers, commemorative tablets, creating artwork.