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