Know all about Scoria and Quartzite properties here. All properties of rocks are important as they define the type of rock and its application. Scoria belongs to Igneous Rocks while Quartzite belongs to Metamorphic Rocks.Texture of Scoria is Vesicular whereas that of Quartzite is Foliated, Granular. Scoria appears Glassy and Vesicular and Quartzite appears Lustrous. The luster of Scoria is subvitreous to dull while that of Quartzite is vitreous. Scoria is available in black, brown, dark grey to black, red colors whereas Quartzite is available in black, blue, brown, green, light grey, purple, white, yellow colors. The commercial uses of Scoria are as a traction material on snow-covered roads, creating artwork, high-temperature insulation, in gas barbecue grills 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.