Know all about Suevite and Trondhjemite properties here. All properties of rocks are important as they define the type of rock and its application. Suevite belongs to Metamorphic Rocks while Trondhjemite belongs to Igneous Rocks.Texture of Suevite is Earthy whereas that of Trondhjemite is Phaneritic. Suevite appears Banded and Trondhjemite appears Banded and Foilated. The luster of Suevite is earthy while that of Trondhjemite is subvitreous to dull. Suevite is available in black, brown, colourless, green, grey, pink colors whereas Trondhjemite is available in black, brown, light to dark grey, white colors. The commercial uses of Suevite are as a feed additive for livestock, gemstone, metallurgical flux, source of magnesia (mgo) and that of Trondhjemite are cemetery markers, creating artwork.