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