Know all about Blue Granite and Rhyolite properties here. All properties of rocks are important as they define the type of rock and its application. Blue Granite and Rhyolite belong to Igneous Rocks.Texture of Blue Granite is Phaneritic whereas that of Rhyolite is Aphanitic, Glassy, Porphyritic. Blue Granite appears Shiny and Rhyolite appears Banded. The luster of Blue Granite is subvitreous to dull while that of Rhyolite is earthy. Blue Granite is available in black, brown, light to dark grey, white colors whereas Rhyolite is available in grey, white, light black colors. The commercial uses of Blue Granite are cemetery markers, commemorative tablets, creating artwork, curling and that of Rhyolite are gemstone, laboratory bench tops, jewelry.