Know all about Tephrite and Foidolite properties here. All properties of rocks are important as they define the type of rock and its application. Tephrite and Foidolite belong to Igneous Rocks.Texture of Tephrite is Aphanitic to Porphyritic whereas that of Foidolite is Earthy. Tephrite appears Vesicular and Foidolite appears Dull. The luster of Tephrite and Foidolite is subvitreous to dull. Tephrite is available in black, brown, colourless, green, grey, white colors whereas Foidolite 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 Foidolite are cemetery markers, commemorative tablets, creating artwork.