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