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