Know all about Diorite and Appinite properties here. All properties of rocks are important as they define the type of rock and its application. Diorite and Appinite belong to Igneous Rocks.Texture of Diorite is Phaneritic whereas that of Appinite is Porphyritic. Diorite appears Shiny and Appinite appears Dull, Banded and Foilated. The luster of Diorite is shiny while that of Appinite is subvitreous to dull. Diorite is available in black, brown, light to dark grey, white colors whereas Appinite is available in black, bluish - grey, brown, dark greenish - grey, green, grey colors. The commercial uses of Diorite are creating artwork, curling and that of Appinite are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner.