Know all about Rhyolite and Trondhjemite properties here. All properties of rocks are important as they define the type of rock and its application. Rhyolite and Trondhjemite belong to Igneous Rocks.Texture of Rhyolite is Aphanitic, Glassy, Porphyritic whereas that of Trondhjemite is Phaneritic. Rhyolite appears Banded and Trondhjemite appears Banded and Foilated. The luster of Rhyolite is earthy while that of Trondhjemite is subvitreous to dull. Rhyolite is available in grey, white, light black colors whereas Trondhjemite is available in black, brown, light to dark grey, white colors. The commercial uses of Rhyolite are gemstone, laboratory bench tops, jewelry and that of Trondhjemite are cemetery markers, creating artwork.