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