Know all about Phonolite and Scoria properties here. All properties of rocks are important as they define the type of rock and its application. Phonolite and Scoria belong to Igneous Rocks.Texture of Phonolite is Granular whereas that of Scoria is Vesicular. Phonolite appears Banded and Foilated and Scoria appears Glassy and Vesicular. The luster of Phonolite is greasy to dull while that of Scoria is subvitreous to dull. Phonolite is available in brown, buff, cream, green, grey, pink, white colors whereas Scoria is available in black, brown, dark grey to black, red colors. The commercial uses of Phonolite are cemetery markers, creating artwork and that of Scoria are as a traction material on snow-covered roads, creating artwork, high-temperature insulation, in gas barbecue grills.