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