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