Know all about Teschenite and Trondhjemite properties here. All properties of rocks are important as they define the type of rock and its application. Teschenite and Trondhjemite belong to Igneous Rocks.Texture of Teschenite is Phaneritic whereas that of Trondhjemite is Phaneritic. Teschenite appears Veined and Shiny and Trondhjemite appears Banded and Foilated. The luster of Teschenite is not available while that of Trondhjemite is subvitreous to dull. Teschenite is available in dark grey to black colors whereas Trondhjemite is available in black, brown, light to dark grey, white colors. The commercial uses of Teschenite and Trondhjemite are cemetery markers, commemorative tablets, creating artwork, laboratory bench tops, jewelry, sea defence, tombstones.