Know all about Troctolite and Hawaiite properties here. All properties of rocks are important as they define the type of rock and its application. Troctolite and Hawaiite belong to Igneous Rocks.Texture of Troctolite is Phaneritic whereas that of Hawaiite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular. Troctolite appears Veined and Shiny and Hawaiite appears Dull and Soft. The luster of Troctolite and Hawaiite is not available. Troctolite is available in dark grey to black colors whereas Hawaiite is available in black, brown, light to dark grey colors. The commercial uses of Troctolite are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones and that of Hawaiite are creating artwork, sea defence.