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