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