Know all about Breccia and Trondhjemite properties here. All properties of rocks are important as they define the type of rock and its application. Breccia belongs to Sedimentary Rocks while Trondhjemite belongs to Igneous Rocks.Texture of Breccia is Brecciated, Clastic whereas that of Trondhjemite is Phaneritic. Breccia appears Layered, Banded, Veined and Shiny and Trondhjemite appears Banded and Foilated. The luster of Breccia is dull to pearly while that of Trondhjemite is subvitreous to dull. Breccia is available in beige, black, blue, brown, buff, green, grey, orange, pink, purple, red, rust, white, yellow colors whereas Trondhjemite is available in black, brown, light to dark grey, white colors. The commercial uses of Breccia are creating artwork, gemstone, jewelry and that of Trondhjemite are cemetery markers, creating artwork.