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