Know all about Minette and Trachyte properties here. All properties of rocks are important as they define the type of rock and its application. Minette and Trachyte belong to Igneous Rocks.Texture of Minette is Porphyritic whereas that of Trachyte is Aphanitic to Porphyritic. Minette appears Dull, Banded and Foilated and Trachyte appears Banded. The luster of Minette is subvitreous to dull while that of Trachyte is metallic. Minette is available in black, bluish - grey, brown, dark greenish - grey, green, grey colors whereas Trachyte is available in black, brown, dark greenish - grey, green, grey, light to dark grey, white colors. The commercial uses 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) and that of Trachyte are cemetery markers, creating artwork.