Know all about Borolanite and Trondhjemite properties here. All properties of rocks are important as they define the type of rock and its application. Borolanite and Trondhjemite belong to Igneous Rocks.Texture of Borolanite is Granular whereas that of Trondhjemite is Phaneritic. Borolanite appears Banded and Foilated and Trondhjemite appears Banded and Foilated. The luster of Borolanite is greasy to dull while that of Trondhjemite is subvitreous to dull. Borolanite is available in brown, buff, cream, green, grey, pink, white colors whereas Trondhjemite is available in black, brown, light to dark grey, white colors. The commercial uses of Borolanite are cemetery markers and that of Trondhjemite are cemetery markers, creating artwork.