Know all about Blue Granite and Nephelinite properties here. All properties of rocks are important as they define the type of rock and its application. Blue Granite and Nephelinite belong to Igneous Rocks.Texture of Blue Granite is Phaneritic whereas that of Nephelinite is Aphanitic. Blue Granite appears Shiny and Nephelinite appears Skeletal. The luster of Blue Granite is subvitreous to dull while that of Nephelinite is vitreous to metallic. Blue Granite is available in black, brown, light to dark grey, white colors whereas Nephelinite is available in black, brown, colourless, green, grey, white colors. The commercial uses of Blue Granite are cemetery markers, commemorative tablets, creating artwork, curling and that of Nephelinite are creating artwork, soil conditioner, source of magnesia (mgo).