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