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