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