Know all about Trondhjemite and Hyaloclastite properties here. All properties of rocks are important as they define the type of rock and its application. Trondhjemite and Hyaloclastite belong to Igneous Rocks.Texture of Trondhjemite is Phaneritic whereas that of Hyaloclastite is Pyroclastic. Trondhjemite appears Banded and Foilated and Hyaloclastite appears Dull. The luster of Trondhjemite is subvitreous to dull while that of Hyaloclastite is dull and grainy. Trondhjemite is available in black, brown, light to dark grey, white colors whereas Hyaloclastite is available in brown, grey, yellow colors. The commercial uses of Trondhjemite and Hyaloclastite are cemetery markers, creating artwork.