Rocks are naturally occurring solids which are composed of minerals & have been used by humans since ages. From Stone Age, rocks are used for various purposes. Also, the metals and minerals found in rock play an important role in our life. Get to know all the Nepheline Syenite Uses. We have provided you with all information about Nepheline Syenite rock here. Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz. Nepheline Syenite is available in brown, buff, cream, green, grey, pink, white colors. The streak of a rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Nepheline Syenite is white. Get to know more about Nepheline Syenite rock and characteristics of Nepheline Syenite rock in the next sections. © 2015-2020. A softUsvista venture!