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