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