Know all about Blue Granite and Mylonite properties here. All properties of rocks are important as they define the type of rock and its application. Blue Granite belongs to Igneous Rocks while Mylonite belongs to Metamorphic Rocks.Texture of Blue Granite is Phaneritic whereas that of Mylonite is Foliated. Blue Granite appears Shiny and Mylonite appears Dull, Banded and Foilated. The luster of Blue Granite is subvitreous to dull while that of Mylonite is shiny. Blue Granite is available in black, brown, light to dark grey, white colors whereas Mylonite is available in black to grey colors. The commercial uses of Blue Granite are cemetery markers, commemorative tablets, creating artwork, curling and that of Mylonite are creating artwork, gemstone, jewelry.