Know all about Suevite and Pseudotachylite properties here. All properties of rocks are important as they define the type of rock and its application. Suevite and Pseudotachylite belong to Metamorphic Rocks.Texture of Suevite is Earthy whereas that of Pseudotachylite is Quench. Suevite appears Banded and Pseudotachylite appears Dull and Soft. The luster of Suevite is earthy while that of Pseudotachylite is vitreous. Suevite is available in black, brown, colourless, green, grey, pink colors whereas Pseudotachylite 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 Pseudotachylite are creating artwork, gemstone.