Know all about Tephrite and Mylonite properties here. All properties of rocks are important as they define the type of rock and its application. Tephrite belongs to Igneous Rocks while Mylonite belongs to Metamorphic Rocks.Texture of Tephrite is Aphanitic to Porphyritic whereas that of Mylonite is Foliated. Tephrite appears Vesicular and Mylonite appears Dull, Banded and Foilated. The luster of Tephrite is subvitreous to dull while that of Mylonite is shiny. Tephrite is available in black, brown, colourless, green, grey, white colors whereas Mylonite is available in black to grey colors. The commercial uses of Tephrite are production of lime, soil conditioner and that of Mylonite are creating artwork, gemstone, jewelry.