Know all about Blue Granite and Diabase properties here. All properties of rocks are important as they define the type of rock and its application. Blue Granite and Diabase belong to Igneous Rocks.Texture of Blue Granite is Phaneritic whereas that of Diabase is Aphanitic, Granular. Blue Granite appears Shiny and Diabase appears Vesicular. The luster of Blue Granite is subvitreous to dull while that of Diabase is not available. Blue Granite is available in black, brown, light to dark grey, white colors whereas Diabase is available in dark grey to black colors. The commercial uses of Blue Granite are cemetery markers, commemorative tablets, creating artwork, curling and that of Diabase are an oil and gas reservoir, cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones.