Know all about Lamprophyre and Trondhjemite properties here. All properties of rocks are important as they define the type of rock and its application. Lamprophyre and Trondhjemite belong to Igneous Rocks.Texture of Lamprophyre is Porphyritic whereas that of Trondhjemite is Phaneritic. Lamprophyre appears Dull, Banded and Foilated and Trondhjemite appears Banded and Foilated. The luster of Lamprophyre and Trondhjemite is subvitreous to dull. Lamprophyre 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 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) and that of Trondhjemite are cemetery markers, creating artwork.