Know all about Appinite and Variolite properties here. All properties of rocks are important as they define the type of rock and its application. Appinite and Variolite belong to Igneous Rocks.Texture of Appinite is Porphyritic whereas that of Variolite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular. Appinite appears Dull, Banded and Foilated and Variolite appears Dull and Soft. The luster of Appinite is subvitreous to dull while that of Variolite is not available. Appinite is available in black, bluish - grey, brown, dark greenish - grey, green, grey colors whereas Variolite is available in black, brown, light to dark grey colors. The commercial uses of Appinite are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner and that of Variolite are cemetery markers, creating artwork.