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