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