Know all about Borolanite and Pseudotachylite properties here. All properties of rocks are important as they define the type of rock and its application. Borolanite belongs to Igneous Rocks while Pseudotachylite belongs to Metamorphic Rocks.Texture of Borolanite is Granular whereas that of Pseudotachylite is Quench. Borolanite appears Banded and Foilated and Pseudotachylite appears Dull and Soft. The luster of Borolanite is greasy to dull while that of Pseudotachylite is vitreous. Borolanite is available in brown, buff, cream, green, grey, pink, white colors whereas Pseudotachylite is available in black, brown, colourless, green, grey, pink, white colors. The commercial uses of Borolanite are cemetery markers and that of Pseudotachylite are creating artwork, gemstone.