Know all about Hyaloclastite and Icelandite properties here. All properties of rocks are important as they define the type of rock and its application. Hyaloclastite and Icelandite belong to Igneous Rocks.Texture of Hyaloclastite is Pyroclastic whereas that of Icelandite is Aphanitic to Porphyritic. Hyaloclastite appears Dull and Icelandite appears Dull and Soft. The luster of Hyaloclastite is dull and grainy while that of Icelandite is vitreous. Hyaloclastite is available in brown, grey, yellow colors whereas Icelandite is available in bluish - grey, grey, pink, yellow colors. The commercial uses of Hyaloclastite and Icelandite are cemetery markers, creating artwork.