Know all about Tephrite and Basalt properties here. All properties of rocks are important as they define the type of rock and its application. Tephrite and Basalt belong to Igneous Rocks.Texture of Tephrite is Aphanitic to Porphyritic whereas that of Basalt is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular. Tephrite appears Vesicular and Basalt appears Dull and Soft. The luster of Tephrite is subvitreous to dull while that of Basalt is not available. Tephrite is available in black, brown, colourless, green, grey, white colors whereas Basalt is available in black, brown, light to dark grey colors. The commercial uses of Tephrite are production of lime, soil conditioner and that of Basalt are an oil and gas reservoir, commemorative tablets, creating artwork, used in aquariums.