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