Know all about Hawaiite and Shale properties here. All properties of rocks are important as they define the type of rock and its application. Hawaiite belongs to Igneous Rocks while Shale belongs to Sedimentary Rocks.Texture of Hawaiite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular whereas that of Shale is Clastic, Splintery. Hawaiite appears Dull and Soft and Shale appears Muddy. The luster of Hawaiite is not available while that of Shale is dull. Hawaiite is available in black, brown, light to dark grey colors whereas Shale is available in black, brown, buff, green, grey, red, yellow colors. The commercial uses of Hawaiite are creating artwork, sea defence and that of Shale are creating artwork, pottery.