Know all about Claystone and Hornblendite properties here. All properties of rocks are important as they define the type of rock and its application. Claystone belongs to Sedimentary Rocks while Hornblendite belongs to Igneous Rocks.Texture of Claystone is Clastic whereas that of Hornblendite is Banded, Foliated, Massive. Claystone appears Rough and Dull and Hornblendite appears Foliated. The luster of Claystone is dull while that of Hornblendite is vitreous to dull. Claystone and Hornblendite are available in black, blue, brown, green, grey, orange, red, white, yellow colors. The commercial uses of Claystone are pottery and that of Hornblendite are cemetery markers, commemorative tablets, creating artwork.