Know all about Diabase and Hawaiite properties here. All properties of rocks are important as they define the type of rock and its application. Diabase and Hawaiite belong to Igneous Rocks.Texture of Diabase is Aphanitic, Granular whereas that of Hawaiite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular. Diabase appears Vesicular and Hawaiite appears Dull and Soft. The luster of Diabase and Hawaiite is not available. Diabase is available in dark grey to black colors whereas Hawaiite is available in black, brown, light to dark grey 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 Hawaiite are creating artwork, sea defence.