Know all about Blueschist and Tephrite properties here. All properties of rocks are important as they define the type of rock and its application. Blueschist belongs to Metamorphic Rocks while Tephrite belongs to Igneous Rocks.Texture of Blueschist is Foliated whereas that of Tephrite is Aphanitic to Porphyritic. Blueschist appears Dull and Banded and Tephrite appears Vesicular. The luster of Blueschist is dull while that of Tephrite is subvitreous to dull. Blueschist is available in blue, bluish - grey, purple, shades of blue colors whereas Tephrite is available in black, brown, colourless, green, grey, white colors. The commercial uses of Blueschist are cemetery markers, commemorative tablets, creating artwork, curling, tombstones and that of Tephrite are production of lime, soil conditioner.