Know all about Tephrite and Sovite properties here. All properties of rocks are important as they define the type of rock and its application. Tephrite and Sovite belong to Igneous Rocks.Texture of Tephrite is Aphanitic to Porphyritic whereas that of Sovite is Granular, Poikiloblastic. Tephrite appears Vesicular and Sovite appears Dull, Banded and Foilated. The luster of Tephrite and Sovite is subvitreous to dull. Tephrite is available in black, brown, colourless, green, grey, white colors whereas Sovite is available in black, brown, colourless, green, grey, pink, white colors. The commercial uses of Tephrite are production of lime, soil conditioner and that of Sovite are an oil and gas reservoir, as a feed additive for livestock, creating artwork, gemstone, metallurgical flux, production of lime, soil conditioner, source of magnesia (mgo).