Know all about Trondhjemite and Marble properties here. All properties of rocks are important as they define the type of rock and its application. Trondhjemite belongs to Igneous Rocks while Marble belongs to Metamorphic Rocks.Texture of Trondhjemite is Phaneritic whereas that of Marble is Granular. Trondhjemite appears Banded and Foilated and Marble appears Veined and Shiny. The luster of Trondhjemite is subvitreous to dull while that of Marble is dull to pearly to subvitreous. Trondhjemite is available in black, brown, light to dark grey, white colors whereas Marble is available in black, blue, brown, grey, pink, white colors. The commercial uses of Trondhjemite are cemetery markers, creating artwork and that of Marble are cemetery markers, commemorative tablets, creating artwork, curling, laboratory bench tops, paper industry, tombstones, used in aquariums, whiting material in toothpaste, paint and paper.