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