Know all about Hyaloclastite and Greenschist properties here. All properties of rocks are important as they define the type of rock and its application. Hyaloclastite belongs to Igneous Rocks while Greenschist belongs to Metamorphic Rocks.Texture of Hyaloclastite is Pyroclastic whereas that of Greenschist is Foliated, Platy. Hyaloclastite appears Dull and Greenschist appears Layered and Shiny. The luster of Hyaloclastite is dull and grainy while that of Greenschist is shiny. Hyaloclastite is available in brown, grey, yellow colors whereas Greenschist is available in dark greenish - grey, green colors. The commercial uses of Hyaloclastite are cemetery markers, creating artwork and that of Greenschist are blackboards, manufacture of tools, writing slates.