Know all about Hornblendite and Rhyodacite properties here. All properties of rocks are important as they define the type of rock and its application. Hornblendite and Rhyodacite belong to Igneous Rocks.Texture of Hornblendite is Banded, Foliated, Massive whereas that of Rhyodacite is Earthy. Hornblendite appears Foliated and Rhyodacite appears Skeletal. The luster of Hornblendite is vitreous to dull while that of Rhyodacite is greasy to dull. Hornblendite is available in black, brown, green, grey colors whereas Rhyodacite is available in black to grey, dark greenish - grey colors. The commercial uses of Hornblendite and Rhyodacite are cemetery markers, commemorative tablets, creating artwork.