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