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