Know all about Theralite and Blueschist properties here. All properties of rocks are important as they define the type of rock and its application. Theralite belongs to Igneous Rocks while Blueschist belongs to Metamorphic Rocks.Texture of Theralite is Phaneritic whereas that of Blueschist is Foliated. Theralite appears Veined and Shiny and Blueschist appears Dull and Banded. The luster of Theralite is waxy and dull while that of Blueschist is dull. Theralite is available in dark grey to black colors whereas Blueschist is available in blue, bluish - grey, purple, shades of blue colors. The commercial uses of Theralite are cemetery markers, commemorative tablets, creating artwork, laboratory bench tops, jewelry, sea defence, tombstones and that of Blueschist are cemetery markers, commemorative tablets, creating artwork, curling, tombstones.