Know all about Ganister and Diabase properties here. All properties of rocks are important as they define the type of rock and its application. Ganister belongs to Sedimentary Rocks while Diabase belongs to Igneous Rocks.Texture of Ganister is Clastic, Granular, Rough whereas that of Diabase is Aphanitic, Granular. Ganister appears Rough and Diabase appears Vesicular. The luster of Ganister is dull while that of Diabase is not available. Ganister is available in beige, black, brown, colourless, cream, dark brown, green, grey, light green, light to dark grey, pink, red, white, yellow colors whereas Diabase is available in dark grey to black colors. The commercial uses of Ganister are an oil and gas reservoir, in aquifers, petroleum reservoirs, soil conditioner, source of magnesia (mgo), tombstones and that of Diabase are an oil and gas reservoir, cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones.