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