Know all about Blue Granite and Quartzite properties here. All properties of rocks are important as they define the type of rock and its application. Blue Granite belongs to Igneous Rocks while Quartzite belongs to Metamorphic Rocks.Texture of Blue Granite is Phaneritic whereas that of Quartzite is Foliated, Granular. Blue Granite appears Shiny and Quartzite appears Lustrous. The luster of Blue Granite is subvitreous to dull while that of Quartzite is vitreous. Blue Granite is available in black, brown, light to dark grey, white colors whereas Quartzite is available in black, blue, brown, green, light grey, purple, white, yellow colors. The commercial uses of Blue Granite are cemetery markers, commemorative tablets, creating artwork, curling and that of Quartzite are an oil and gas reservoir, as armour rock for sea walls, cemetery markers, commemorative tablets, in aquifers, laboratory bench tops, petroleum reservoirs, soil conditioner, source of magnesia (mgo), tombstones, used in aquariums.