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