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