Know all about Scoria and Dacite properties here. All properties of rocks are important as they define the type of rock and its application. Scoria and Dacite belong to Igneous Rocks.Texture of Scoria is Vesicular whereas that of Dacite is Aphanitic to Porphyritic. Scoria appears Glassy and Vesicular and Dacite appears Vesicular. The luster of Scoria and Dacite is subvitreous to dull. Scoria is available in black, brown, dark grey to black, red colors whereas Dacite is available in bluish - grey, brown, grey, light to dark grey colors. The commercial uses of Scoria are as a traction material on snow-covered roads, creating artwork, high-temperature insulation, in gas barbecue grills and that of Dacite are commemorative tablets, creating artwork.