Know all about Ganister and Pseudotachylite properties here. All properties of rocks are important as they define the type of rock and its application. Ganister belongs to Sedimentary Rocks while Pseudotachylite belongs to Metamorphic Rocks.Texture of Ganister is Clastic, Granular, Rough whereas that of Pseudotachylite is Quench. Ganister appears Rough and Pseudotachylite appears Dull and Soft. The luster of Ganister is dull while that of Pseudotachylite is vitreous. Ganister and Pseudotachylite are available in beige, black, brown, colourless, cream, dark brown, green, grey, light green, light to dark grey, pink, red, white, yellow colors. The commercial uses of Ganister are an oil and gas reservoir, in aquifers, petroleum reservoirs, soil conditioner, source of magnesia (mgo), tombstones and that of Pseudotachylite are creating artwork, gemstone.