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