Know all about Basalt and Diorite properties here. All properties of rocks are important as they define the type of rock and its application. Basalt and Diorite belong to Igneous Rocks.Texture of Basalt is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular whereas that of Diorite is Phaneritic. Basalt appears Dull and Soft and Diorite appears Shiny. The luster of Basalt is not available while that of Diorite is shiny. Basalt is available in black, brown, light to dark grey colors whereas Diorite is available in black, brown, 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 Diorite are creating artwork, curling.