Know all about Comendite and Quartzite properties here. All properties of rocks are important as they define the type of rock and its application. Comendite belongs to Igneous Rocks while Quartzite belongs to Metamorphic Rocks.Texture of Comendite is Porphyritic whereas that of Quartzite is Foliated, Granular. Comendite appears Foliated and Quartzite appears Lustrous. The luster of Comendite is dull while that of Quartzite is vitreous. Comendite is available in blue, bluish - grey colors whereas Quartzite is available in black, blue, brown, green, light grey, purple, white, yellow colors. The commercial uses of Comendite are cemetery markers 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.