Know all about Hyaloclastite and Troctolite properties here. All properties of rocks are important as they define the type of rock and its application. Hyaloclastite and Troctolite belong to Igneous Rocks.Texture of Hyaloclastite is Pyroclastic whereas that of Troctolite is Phaneritic. Hyaloclastite appears Dull and Troctolite appears Veined and Shiny. The luster of Hyaloclastite is dull and grainy while that of Troctolite is not available. Hyaloclastite is available in brown, grey, yellow colors whereas Troctolite is available in dark grey to black colors. The commercial uses of Hyaloclastite are cemetery markers, creating artwork and that of Troctolite are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones.