Know all about Tephrite and Adakite properties here. All properties of rocks are important as they define the type of rock and its application. Tephrite and Adakite belong to Igneous Rocks.Texture of Tephrite is Aphanitic to Porphyritic whereas that of Adakite is Porphyritic. Tephrite appears Vesicular and Adakite appears Dull and Soft. The luster of Tephrite is subvitreous to dull while that of Adakite is grainy, pearly and vitreous. Tephrite is available in black, brown, colourless, green, grey, white colors whereas Adakite is available in black, brown, light to dark grey colors. The commercial uses of Tephrite are production of lime, soil conditioner and that of Adakite are commemorative tablets, pottery, used in aquariums.