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 Evaporite Uses. We have provided you with all information about Evaporite rock here. A water-soluble mineral sediment resulting from concentration and crystallization by evaporation from an aqueous solution. Evaporite is available in colourless, green, grey, silver, white colors. The streak of a rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Evaporite is white. Get to know more about Evaporite rock and characteristics of Evaporite rock in the next sections.