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