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