Know all about Diabase and Rapakivi Granite properties here. All properties of rocks are important as they define the type of rock and its application. Diabase and Rapakivi Granite belong to Igneous Rocks.Texture of Diabase is Aphanitic, Granular whereas that of Rapakivi Granite is Granular, Phaneritic. Diabase appears Vesicular and Rapakivi Granite appears Veined or Pebbled. The luster of Diabase is not available while that of Rapakivi Granite is dull to grainy with sporadic parts pearly and vitreous. Diabase is available in dark grey to black colors whereas Rapakivi Granite is available in black, grey, orange, pink, white 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 Rapakivi Granite are cemetery markers, commemorative tablets, creating artwork, curling, laboratory bench tops, tombstones.