Know all about Tephrite and Jasperoid properties here. All properties of rocks are important as they define the type of rock and its application. Tephrite belongs to Igneous Rocks while Jasperoid belongs to Sedimentary Rocks.Texture of Tephrite is Aphanitic to Porphyritic whereas that of Jasperoid is Earthy. Tephrite appears Vesicular and Jasperoid appears Glassy or Pearly. The luster of Tephrite is subvitreous to dull while that of Jasperoid is vitreous and pearly. Tephrite is available in black, brown, colourless, green, grey, white colors whereas Jasperoid 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 Jasperoid are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner, source of magnesia (mgo).