Know all about Rhyolite and Dacite properties here. All properties of rocks are important as they define the type of rock and its application. Rhyolite and Dacite belong to Igneous Rocks.Texture of Rhyolite is Aphanitic, Glassy, Porphyritic whereas that of Dacite is Aphanitic to Porphyritic. Rhyolite appears Banded and Dacite appears Vesicular. The luster of Rhyolite is earthy while that of Dacite is subvitreous to dull. Rhyolite is available in grey, white, light black colors whereas Dacite is available in bluish - grey, brown, grey, light to dark grey colors. The commercial uses of Rhyolite are gemstone, laboratory bench tops, jewelry and that of Dacite are commemorative tablets, creating artwork.