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 Jadeitite Uses. We have provided you with all information about Jadeitite rock here. Jadeitite is a metamorphic rock usually found in blueschist grade metamorphic terrains. Jadeitite is available in black, brown, colourless, green, grey, white colors. The streak of a rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Jadeitite is white, greenish white or grey. Get to know more about Jadeitite rock and characteristics of Jadeitite rock in the next sections.