Know all about Felsite and Trondhjemite properties here. All properties of rocks are important as they define the type of rock and its application. Felsite and Trondhjemite belong to Igneous Rocks.Texture of Felsite is Arborescent Patterned, Vitreous whereas that of Trondhjemite is Phaneritic. Felsite appears Layered, Banded, Veined and Shiny and Trondhjemite appears Banded and Foilated. The luster of Felsite is vitreous while that of Trondhjemite is subvitreous to dull. Felsite is available in black, blue, brown, green, orange, red, tan, yellow colors whereas Trondhjemite is available in black, brown, light to dark grey, white colors. The commercial uses of Felsite are mirror, jewelry and that of Trondhjemite are cemetery markers, creating artwork.