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