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