Know all about Ganister and Andesite properties here. All properties of rocks are important as they define the type of rock and its application. Ganister belongs to Sedimentary Rocks while Andesite belongs to Igneous Rocks.Texture of Ganister is Clastic, Granular, Rough whereas that of Andesite is Aphanitic to Porphyritic. Ganister appears Rough and Andesite appears Dull and Soft. The luster of Ganister is dull while that of Andesite is vitreous. Ganister is available in beige, black, brown, colourless, cream, dark brown, green, grey, light green, light to dark grey, pink, red, white, yellow colors whereas Andesite is available in bluish - grey, grey, pink, yellow colors. The commercial uses of Ganister are an oil and gas reservoir, in aquifers, petroleum reservoirs, soil conditioner, source of magnesia (mgo), tombstones and that of Andesite are commemorative tablets, creating artwork.