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