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