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