Know all about Andesite and Tephrite properties here. All properties of rocks are important as they define the type of rock and its application. Andesite and Tephrite belong to Igneous Rocks.Texture of Andesite is Aphanitic to Porphyritic whereas that of Tephrite is Aphanitic to Porphyritic. Andesite appears Dull and Soft and Tephrite appears Vesicular. The luster of Andesite is vitreous while that of Tephrite is subvitreous to dull. Andesite is available in bluish - grey, grey, pink, yellow colors whereas Tephrite is available in black, brown, colourless, green, grey, white colors. The commercial uses of Andesite are commemorative tablets, creating artwork and that of Tephrite are production of lime, soil conditioner.