Know all about Diabase and Picrite properties here. All properties of rocks are important as they define the type of rock and its application. Diabase and Picrite belong to Igneous Rocks.Texture of Diabase is Aphanitic, Granular whereas that of Picrite is Earthy, Rough. Diabase appears Vesicular and Picrite appears Rough and Shiny. The luster of Diabase is not available while that of Picrite is subvitreous to dull. Diabase is available in dark grey to black colors whereas Picrite is available in black, brown, colourless, green, grey, pink, 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 Picrite are as a feed additive for livestock, as armour rock for sea walls, metallurgical flux, pottery, source of magnesia (mgo).