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