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