Know all about Andesite and Minette properties here. All properties of rocks are important as they define the type of rock and its application. Andesite and Minette belong to Igneous Rocks.Texture of Andesite is Aphanitic to Porphyritic whereas that of Minette is Porphyritic. Andesite appears Dull and Soft and Minette appears Dull, Banded and Foilated. The luster of Andesite is vitreous while that of Minette is subvitreous to dull. Andesite is available in bluish - grey, grey, pink, yellow colors whereas Minette is available in black, bluish - grey, brown, dark greenish - grey, green, grey colors. The commercial uses of Andesite are commemorative tablets, creating artwork and that of Minette are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner, source of magnesia (mgo).