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