Know all about Hawaiite and Skarn properties here. All properties of rocks are important as they define the type of rock and its application. Hawaiite belongs to Igneous Rocks while Skarn belongs to Metamorphic Rocks.Texture of Hawaiite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular whereas that of Skarn is Earthy, Mud-rich, Rough. Hawaiite appears Dull and Soft and Skarn appears Dull. The luster of Hawaiite is not available while that of Skarn is waxy and dull. Hawaiite is available in black, brown, light to dark grey colors whereas Skarn is available in black, brown, colourless, green, grey, white colors. The commercial uses of Hawaiite are creating artwork, sea defence and that of Skarn are creating artwork, gemstone, jewelry, metallurgical flux, source of magnesia (mgo).