Know all about Diabase and Quartzite properties here. All properties of rocks are important as they define the type of rock and its application. Diabase belongs to Igneous Rocks while Quartzite belongs to Metamorphic Rocks.Texture of Diabase is Aphanitic, Granular whereas that of Quartzite is Foliated, Granular. Diabase appears Vesicular and Quartzite appears Lustrous. The luster of Diabase is not available while that of Quartzite is vitreous. Diabase is available in dark grey to black colors whereas Quartzite is available in black, blue, brown, green, light grey, purple, white, yellow colors. The commercial uses of Diabase are an oil and gas reservoir, cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones 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.